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raylib-src/src/platforms/rcore_desktop_glfw.c

1938 řádky
78 KiB
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/**********************************************************************************************
*
* rcore_desktop - Functions to manage window, graphics device and inputs
*
* PLATFORM: DESKTOP: GLFW
* - Windows (Win32, Win64)
* - Linux (X11/Wayland desktop mode)
* - FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop)
* - OSX/macOS (x64, arm64)
*
* LIMITATIONS:
* - Limitation 01
* - Limitation 02
*
* POSSIBLE IMPROVEMENTS:
* - Improvement 01
* - Improvement 02
*
* ADDITIONAL NOTES:
* - TRACELOG() function is located in raylib [utils] module
*
* CONFIGURATION:
* #define RCORE_PLATFORM_CUSTOM_FLAG
* Custom flag for rcore on target platform -not used-
*
* DEPENDENCIES:
* - rglfw: Manage graphic device, OpenGL context and inputs (Windows, Linux, OSX, FreeBSD...)
* - gestures: Gestures system for touch-ready devices (or simulated from mouse inputs)
*
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2013-2025 Ramon Santamaria (@raysan5) and contributors
*
* This software is provided "as-is", without any express or implied warranty. In no event
* will the authors be held liable for any damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose, including commercial
* applications, and to alter it and redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim that you
* wrote the original software. If you use this software in a product, an acknowledgment
* in the product documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
* as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
**********************************************************************************************/
#define GLFW_INCLUDE_NONE // Disable the standard OpenGL header inclusion on GLFW3
// NOTE: Already provided by rlgl implementation (on glad.h)
#include "GLFW/glfw3.h" // GLFW3 library: Windows, OpenGL context and Input management
// NOTE: GLFW3 already includes gl.h (OpenGL) headers
// Support retrieving native window handlers
#if defined(_WIN32)
typedef void *PVOID;
typedef PVOID HANDLE;
#include "../external/win32_clipboard.h"
typedef HANDLE HWND;
#define GLFW_EXPOSE_NATIVE_WIN32
#define GLFW_NATIVE_INCLUDE_NONE // To avoid some symbols re-definition in windows.h
#include "GLFW/glfw3native.h"
#if defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP)
// NOTE: Those functions require linking with winmm library
//#pragma warning(disable: 4273)
__declspec(dllimport) unsigned int __stdcall timeEndPeriod(unsigned int uPeriod);
//#pragma warning(default: 4273)
#endif
#endif
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
#include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX
//#define GLFW_EXPOSE_NATIVE_X11 // WARNING: Exposing Xlib.h > X.h results in dup symbols for Font type
//#define GLFW_EXPOSE_NATIVE_WAYLAND
#include "GLFW/glfw3native.h" // Required for: glfwGetX11Window()
#endif
#if defined(__APPLE__)
#include <unistd.h> // Required for: usleep()
//#define GLFW_EXPOSE_NATIVE_COCOA // WARNING: Fails due to type redefinition
void *glfwGetCocoaWindow(GLFWwindow* handle);
#include "GLFW/glfw3native.h" // Required for: glfwGetCocoaWindow()
#endif
//----------------------------------------------------------------------------------
// Types and Structures Definition
//----------------------------------------------------------------------------------
typedef struct {
GLFWwindow *handle; // GLFW window handle (graphic device)
} PlatformData;
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
extern CoreData CORE; // Global CORE state context
static PlatformData platform = { 0 }; // Platform specific data
//----------------------------------------------------------------------------------
// Module Internal Functions Declaration
//----------------------------------------------------------------------------------
int InitPlatform(void); // Initialize platform (graphics, inputs and more)
void ClosePlatform(void); // Close platform
// Error callback event
static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error
// Window callbacks events
static void WindowSizeCallback(GLFWwindow *window, int width, int height); // GLFW3 WindowSize Callback, runs when window is resized
static void WindowPosCallback(GLFWwindow* window, int x, int y); // GLFW3 WindowPos Callback, runs when window is moved
static void WindowIconifyCallback(GLFWwindow *window, int iconified); // GLFW3 WindowIconify Callback, runs when window is minimized/restored
static void WindowMaximizeCallback(GLFWwindow* window, int maximized); // GLFW3 Window Maximize Callback, runs when window is maximized
static void WindowFocusCallback(GLFWwindow *window, int focused); // GLFW3 WindowFocus Callback, runs when window get/lose focus
static void WindowDropCallback(GLFWwindow *window, int count, const char **paths); // GLFW3 Window Drop Callback, runs when drop files into window
static void WindowContentScaleCallback(GLFWwindow *window, float scalex, float scaley); // GLFW3 Window Content Scale Callback, runs when window changes scale
// Input callbacks events
static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods); // GLFW3 Keyboard Callback, runs on key pressed
static void CharCallback(GLFWwindow *window, unsigned int codepoint); // GLFW3 Char Callback, runs on key pressed (get codepoint value)
static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods); // GLFW3 Mouse Button Callback, runs on mouse button pressed
static void MouseCursorPosCallback(GLFWwindow *window, double x, double y); // GLFW3 Cursor Position Callback, runs on mouse move
static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset); // GLFW3 Scrolling Callback, runs on mouse wheel
static void CursorEnterCallback(GLFWwindow *window, int enter); // GLFW3 Cursor Enter Callback, cursor enters client area
static void JoystickCallback(int jid, int event); // GLFW3 Joystick Connected/Disconnected Callback
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
// NOTE: Functions declaration is provided by raylib.h
//----------------------------------------------------------------------------------
// Module Functions Definition: Window and Graphics Device
//----------------------------------------------------------------------------------
// Check if application should close
// NOTE: By default, if KEY_ESCAPE pressed or window close icon clicked
bool WindowShouldClose(void)
{
if (CORE.Window.ready) return CORE.Window.shouldClose;
else return true;
}
// Toggle fullscreen mode
void ToggleFullscreen(void)
{
if (!CORE.Window.fullscreen)
{
// Store previous window position (in case we exit fullscreen)
CORE.Window.previousPosition = CORE.Window.position;
int monitorCount = 0;
int monitorIndex = GetCurrentMonitor();
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
// Use current monitor, so we correctly get the display the window is on
GLFWmonitor *monitor = (monitorIndex < monitorCount)? monitors[monitorIndex] : NULL;
if (monitor == NULL)
{
TRACELOG(LOG_WARNING, "GLFW: Failed to get monitor");
CORE.Window.fullscreen = false;
CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE;
glfwSetWindowMonitor(platform.handle, NULL, 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE);
}
else
{
CORE.Window.fullscreen = true;
CORE.Window.flags |= FLAG_FULLSCREEN_MODE;
glfwSetWindowMonitor(platform.handle, monitor, 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE);
}
}
else
{
CORE.Window.fullscreen = false;
CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE;
glfwSetWindowMonitor(platform.handle, NULL, CORE.Window.previousPosition.x, CORE.Window.previousPosition.y, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE);
// we update the window position right away
CORE.Window.position.x = CORE.Window.previousPosition.x;
CORE.Window.position.y = CORE.Window.previousPosition.y;
}
// Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS)
// NOTE: V-Sync can be enabled by graphic driver configuration
if (CORE.Window.flags & FLAG_VSYNC_HINT) glfwSwapInterval(1);
}
// Toggle borderless windowed mode
void ToggleBorderlessWindowed(void)
{
// Leave fullscreen before attempting to set borderless windowed mode
bool wasOnFullscreen = false;
if (CORE.Window.fullscreen)
{
// fullscreen already saves the previous position so it does not need to be set here again
ToggleFullscreen();
wasOnFullscreen = true;
}
const int monitor = GetCurrentMonitor();
int monitorCount;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]);
if (mode)
{
if (!IsWindowState(FLAG_BORDERLESS_WINDOWED_MODE))
{
// Store screen position and size
// NOTE: If it was on fullscreen, screen position was already stored, so skip setting it here
if (!wasOnFullscreen) CORE.Window.previousPosition = CORE.Window.position;
CORE.Window.previousScreen = CORE.Window.screen;
// Set undecorated flag
glfwSetWindowAttrib(platform.handle, GLFW_DECORATED, GLFW_FALSE);
CORE.Window.flags |= FLAG_WINDOW_UNDECORATED;
// Get monitor position and size
int monitorPosX = 0;
int monitorPosY = 0;
glfwGetMonitorPos(monitors[monitor], &monitorPosX, &monitorPosY);
const int monitorWidth = mode->width;
const int monitorHeight = mode->height;
// Set screen position and size
glfwSetWindowPos(platform.handle, monitorPosX, monitorPosY);
glfwSetWindowSize(platform.handle, monitorWidth, monitorHeight);
// Refocus window
glfwFocusWindow(platform.handle);
CORE.Window.flags |= FLAG_BORDERLESS_WINDOWED_MODE;
}
else
{
// Remove undecorated flag
glfwSetWindowAttrib(platform.handle, GLFW_DECORATED, GLFW_TRUE);
CORE.Window.flags &= ~FLAG_WINDOW_UNDECORATED;
// Return previous screen size and position
// NOTE: The order matters here, it must set size first, then set position, otherwise the screen will be positioned incorrectly
glfwSetWindowSize(platform.handle, CORE.Window.previousScreen.width, CORE.Window.previousScreen.height);
glfwSetWindowPos(platform.handle, CORE.Window.previousPosition.x, CORE.Window.previousPosition.y);
// Refocus window
glfwFocusWindow(platform.handle);
CORE.Window.flags &= ~FLAG_BORDERLESS_WINDOWED_MODE;
CORE.Window.position.x = CORE.Window.previousPosition.x;
CORE.Window.position.y = CORE.Window.previousPosition.y;
}
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor");
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
}
// Set window state: maximized, if resizable
void MaximizeWindow(void)
{
if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE)
{
glfwMaximizeWindow(platform.handle);
CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED;
}
}
// Set window state: minimized
void MinimizeWindow(void)
{
// NOTE: Following function launches callback that sets appropriate flag!
glfwIconifyWindow(platform.handle);
}
// Set window state: not minimized/maximized
void RestoreWindow(void)
{
if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE)
{
// Restores the specified window if it was previously iconified (minimized) or maximized
glfwRestoreWindow(platform.handle);
CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED;
CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED;
}
}
// Set window configuration state using flags
void SetWindowState(unsigned int flags)
{
// Check previous state and requested state to apply required changes
// NOTE: In most cases the functions already change the flags internally
// State change: FLAG_VSYNC_HINT
if (((CORE.Window.flags & FLAG_VSYNC_HINT) != (flags & FLAG_VSYNC_HINT)) && ((flags & FLAG_VSYNC_HINT) > 0))
{
glfwSwapInterval(1);
CORE.Window.flags |= FLAG_VSYNC_HINT;
}
// State change: FLAG_BORDERLESS_WINDOWED_MODE
// NOTE: This must be handled before FLAG_FULLSCREEN_MODE because ToggleBorderlessWindowed() needs to get some fullscreen values if fullscreen is running
if (((CORE.Window.flags & FLAG_BORDERLESS_WINDOWED_MODE) != (flags & FLAG_BORDERLESS_WINDOWED_MODE)) && ((flags & FLAG_BORDERLESS_WINDOWED_MODE) > 0))
{
ToggleBorderlessWindowed(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_FULLSCREEN_MODE
if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) != (flags & FLAG_FULLSCREEN_MODE) && ((flags & FLAG_FULLSCREEN_MODE) > 0))
{
ToggleFullscreen(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_RESIZABLE
if (((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) != (flags & FLAG_WINDOW_RESIZABLE)) && ((flags & FLAG_WINDOW_RESIZABLE) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_RESIZABLE, GLFW_TRUE);
CORE.Window.flags |= FLAG_WINDOW_RESIZABLE;
}
// State change: FLAG_WINDOW_UNDECORATED
if (((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) != (flags & FLAG_WINDOW_UNDECORATED)) && (flags & FLAG_WINDOW_UNDECORATED))
{
glfwSetWindowAttrib(platform.handle, GLFW_DECORATED, GLFW_FALSE);
CORE.Window.flags |= FLAG_WINDOW_UNDECORATED;
}
// State change: FLAG_WINDOW_HIDDEN
if (((CORE.Window.flags & FLAG_WINDOW_HIDDEN) != (flags & FLAG_WINDOW_HIDDEN)) && ((flags & FLAG_WINDOW_HIDDEN) > 0))
{
glfwHideWindow(platform.handle);
CORE.Window.flags |= FLAG_WINDOW_HIDDEN;
}
// State change: FLAG_WINDOW_MINIMIZED
if (((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) != (flags & FLAG_WINDOW_MINIMIZED)) && ((flags & FLAG_WINDOW_MINIMIZED) > 0))
{
//GLFW_ICONIFIED
MinimizeWindow(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_MAXIMIZED
if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) != (flags & FLAG_WINDOW_MAXIMIZED)) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0))
{
//GLFW_MAXIMIZED
MaximizeWindow(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_UNFOCUSED
if (((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) != (flags & FLAG_WINDOW_UNFOCUSED)) && ((flags & FLAG_WINDOW_UNFOCUSED) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_FOCUS_ON_SHOW, GLFW_FALSE);
CORE.Window.flags |= FLAG_WINDOW_UNFOCUSED;
}
// State change: FLAG_WINDOW_TOPMOST
if (((CORE.Window.flags & FLAG_WINDOW_TOPMOST) != (flags & FLAG_WINDOW_TOPMOST)) && ((flags & FLAG_WINDOW_TOPMOST) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_FLOATING, GLFW_TRUE);
CORE.Window.flags |= FLAG_WINDOW_TOPMOST;
}
// State change: FLAG_WINDOW_ALWAYS_RUN
if (((CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) != (flags & FLAG_WINDOW_ALWAYS_RUN)) && ((flags & FLAG_WINDOW_ALWAYS_RUN) > 0))
{
CORE.Window.flags |= FLAG_WINDOW_ALWAYS_RUN;
}
// The following states can not be changed after window creation
// State change: FLAG_WINDOW_TRANSPARENT
if (((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) != (flags & FLAG_WINDOW_TRANSPARENT)) && ((flags & FLAG_WINDOW_TRANSPARENT) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: Framebuffer transparency can only be configured before window initialization");
}
// State change: FLAG_WINDOW_HIGHDPI
if (((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) != (flags & FLAG_WINDOW_HIGHDPI)) && ((flags & FLAG_WINDOW_HIGHDPI) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: High DPI can only be configured before window initialization");
}
// State change: FLAG_WINDOW_MOUSE_PASSTHROUGH
if (((CORE.Window.flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) != (flags & FLAG_WINDOW_MOUSE_PASSTHROUGH)) && ((flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_MOUSE_PASSTHROUGH, GLFW_TRUE);
CORE.Window.flags |= FLAG_WINDOW_MOUSE_PASSTHROUGH;
}
// State change: FLAG_MSAA_4X_HINT
if (((CORE.Window.flags & FLAG_MSAA_4X_HINT) != (flags & FLAG_MSAA_4X_HINT)) && ((flags & FLAG_MSAA_4X_HINT) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: MSAA can only be configured before window initialization");
}
// State change: FLAG_INTERLACED_HINT
if (((CORE.Window.flags & FLAG_INTERLACED_HINT) != (flags & FLAG_INTERLACED_HINT)) && ((flags & FLAG_INTERLACED_HINT) > 0))
{
TRACELOG(LOG_WARNING, "RPI: Interlaced mode can only be configured before window initialization");
}
}
// Clear window configuration state flags
void ClearWindowState(unsigned int flags)
{
// Check previous state and requested state to apply required changes
// NOTE: In most cases the functions already change the flags internally
// State change: FLAG_VSYNC_HINT
if (((CORE.Window.flags & FLAG_VSYNC_HINT) > 0) && ((flags & FLAG_VSYNC_HINT) > 0))
{
glfwSwapInterval(0);
CORE.Window.flags &= ~FLAG_VSYNC_HINT;
}
// State change: FLAG_BORDERLESS_WINDOWED_MODE
// NOTE: This must be handled before FLAG_FULLSCREEN_MODE because ToggleBorderlessWindowed() needs to get some fullscreen values if fullscreen is running
if (((CORE.Window.flags & FLAG_BORDERLESS_WINDOWED_MODE) > 0) && ((flags & FLAG_BORDERLESS_WINDOWED_MODE) > 0))
{
ToggleBorderlessWindowed(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_FULLSCREEN_MODE
if (((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) && ((flags & FLAG_FULLSCREEN_MODE) > 0))
{
ToggleFullscreen(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_RESIZABLE
if (((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) && ((flags & FLAG_WINDOW_RESIZABLE) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_RESIZABLE, GLFW_FALSE);
CORE.Window.flags &= ~FLAG_WINDOW_RESIZABLE;
}
// State change: FLAG_WINDOW_HIDDEN
if (((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0) && ((flags & FLAG_WINDOW_HIDDEN) > 0))
{
glfwShowWindow(platform.handle);
CORE.Window.flags &= ~FLAG_WINDOW_HIDDEN;
}
// State change: FLAG_WINDOW_MINIMIZED
if (((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) && ((flags & FLAG_WINDOW_MINIMIZED) > 0))
{
RestoreWindow(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_MAXIMIZED
if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0))
{
RestoreWindow(); // NOTE: Window state flag updated inside function
}
// State change: FLAG_WINDOW_UNDECORATED
if (((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) && ((flags & FLAG_WINDOW_UNDECORATED) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_DECORATED, GLFW_TRUE);
CORE.Window.flags &= ~FLAG_WINDOW_UNDECORATED;
}
// State change: FLAG_WINDOW_UNFOCUSED
if (((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) && ((flags & FLAG_WINDOW_UNFOCUSED) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_FOCUS_ON_SHOW, GLFW_TRUE);
CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED;
}
// State change: FLAG_WINDOW_TOPMOST
if (((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) && ((flags & FLAG_WINDOW_TOPMOST) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_FLOATING, GLFW_FALSE);
CORE.Window.flags &= ~FLAG_WINDOW_TOPMOST;
}
// State change: FLAG_WINDOW_ALWAYS_RUN
if (((CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) > 0) && ((flags & FLAG_WINDOW_ALWAYS_RUN) > 0))
{
CORE.Window.flags &= ~FLAG_WINDOW_ALWAYS_RUN;
}
// The following states can not be changed after window creation
// State change: FLAG_WINDOW_TRANSPARENT
if (((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) > 0) && ((flags & FLAG_WINDOW_TRANSPARENT) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: Framebuffer transparency can only be configured before window initialization");
}
// State change: FLAG_WINDOW_HIGHDPI
if (((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) && ((flags & FLAG_WINDOW_HIGHDPI) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: High DPI can only be configured before window initialization");
}
// State change: FLAG_WINDOW_MOUSE_PASSTHROUGH
if (((CORE.Window.flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) > 0) && ((flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) > 0))
{
glfwSetWindowAttrib(platform.handle, GLFW_MOUSE_PASSTHROUGH, GLFW_FALSE);
CORE.Window.flags &= ~FLAG_WINDOW_MOUSE_PASSTHROUGH;
}
// State change: FLAG_MSAA_4X_HINT
if (((CORE.Window.flags & FLAG_MSAA_4X_HINT) > 0) && ((flags & FLAG_MSAA_4X_HINT) > 0))
{
TRACELOG(LOG_WARNING, "WINDOW: MSAA can only be configured before window initialization");
}
// State change: FLAG_INTERLACED_HINT
if (((CORE.Window.flags & FLAG_INTERLACED_HINT) > 0) && ((flags & FLAG_INTERLACED_HINT) > 0))
{
TRACELOG(LOG_WARNING, "RPI: Interlaced mode can only be configured before window initialization");
}
}
// Set icon for window
// NOTE 1: Image must be in RGBA format, 8bit per channel
// NOTE 2: Image is scaled by the OS for all required sizes
void SetWindowIcon(Image image)
{
if (image.data == NULL)
{
// Revert to the default window icon, pass in an empty image array
glfwSetWindowIcon(platform.handle, 0, NULL);
}
else
{
if (image.format == PIXELFORMAT_UNCOMPRESSED_R8G8B8A8)
{
GLFWimage icon[1] = { 0 };
icon[0].width = image.width;
icon[0].height = image.height;
icon[0].pixels = (unsigned char *)image.data;
// NOTE 1: We only support one image icon
// NOTE 2: The specified image data is copied before this function returns
glfwSetWindowIcon(platform.handle, 1, icon);
}
else TRACELOG(LOG_WARNING, "GLFW: Window icon image must be in R8G8B8A8 pixel format");
}
}
// Set icon for window, multiple images
// NOTE 1: Images must be in RGBA format, 8bit per channel
// NOTE 2: The multiple images are used depending on provided sizes
// Standard Windows icon sizes: 256, 128, 96, 64, 48, 32, 24, 16
void SetWindowIcons(Image *images, int count)
{
if ((images == NULL) || (count <= 0))
{
// Revert to the default window icon, pass in an empty image array
glfwSetWindowIcon(platform.handle, 0, NULL);
}
else
{
int valid = 0;
GLFWimage *icons = RL_CALLOC(count, sizeof(GLFWimage));
for (int i = 0; i < count; i++)
{
if (images[i].format == PIXELFORMAT_UNCOMPRESSED_R8G8B8A8)
{
icons[valid].width = images[i].width;
icons[valid].height = images[i].height;
icons[valid].pixels = (unsigned char *)images[i].data;
valid++;
}
else TRACELOG(LOG_WARNING, "GLFW: Window icon image must be in R8G8B8A8 pixel format");
}
// NOTE: Images data is copied internally before this function returns
glfwSetWindowIcon(platform.handle, valid, icons);
RL_FREE(icons);
}
}
// Set title for window
void SetWindowTitle(const char *title)
{
CORE.Window.title = title;
glfwSetWindowTitle(platform.handle, title);
}
// Set window position on screen (windowed mode)
void SetWindowPosition(int x, int y)
{
// Update CORE.Window.position as well
CORE.Window.position.x = x;
CORE.Window.position.y = y;
glfwSetWindowPos(platform.handle, x, y);
}
// Set monitor for the current window
void SetWindowMonitor(int monitor)
{
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
if (CORE.Window.fullscreen)
{
TRACELOG(LOG_INFO, "GLFW: Selected fullscreen monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor]));
const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]);
glfwSetWindowMonitor(platform.handle, monitors[monitor], 0, 0, mode->width, mode->height, mode->refreshRate);
}
else
{
TRACELOG(LOG_INFO, "GLFW: Selected monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor]));
// Here the render width has to be used again in case high dpi flag is enabled
const int screenWidth = CORE.Window.render.width;
const int screenHeight = CORE.Window.render.height;
int monitorWorkareaX = 0;
int monitorWorkareaY = 0;
int monitorWorkareaWidth = 0;
int monitorWorkareaHeight = 0;
glfwGetMonitorWorkarea(monitors[monitor], &monitorWorkareaX, &monitorWorkareaY, &monitorWorkareaWidth, &monitorWorkareaHeight);
// If the screen size is larger than the monitor workarea, anchor it on the top left corner, otherwise, center it
if ((screenWidth >= monitorWorkareaWidth) || (screenHeight >= monitorWorkareaHeight)) glfwSetWindowPos(platform.handle, monitorWorkareaX, monitorWorkareaY);
else
{
const int x = monitorWorkareaX + (monitorWorkareaWidth/2) - (screenWidth/2);
const int y = monitorWorkareaY + (monitorWorkareaHeight/2) - (screenHeight/2);
glfwSetWindowPos(platform.handle, x, y);
}
}
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
}
// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE)
void SetWindowMinSize(int width, int height)
{
CORE.Window.screenMin.width = width;
CORE.Window.screenMin.height = height;
int minWidth = (CORE.Window.screenMin.width == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMin.width;
int minHeight = (CORE.Window.screenMin.height == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMin.height;
int maxWidth = (CORE.Window.screenMax.width == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMax.width;
int maxHeight = (CORE.Window.screenMax.height == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMax.height;
glfwSetWindowSizeLimits(platform.handle, minWidth, minHeight, maxWidth, maxHeight);
}
// Set window maximum dimensions (FLAG_WINDOW_RESIZABLE)
void SetWindowMaxSize(int width, int height)
{
CORE.Window.screenMax.width = width;
CORE.Window.screenMax.height = height;
int minWidth = (CORE.Window.screenMin.width == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMin.width;
int minHeight = (CORE.Window.screenMin.height == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMin.height;
int maxWidth = (CORE.Window.screenMax.width == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMax.width;
int maxHeight = (CORE.Window.screenMax.height == 0)? GLFW_DONT_CARE : (int)CORE.Window.screenMax.height;
glfwSetWindowSizeLimits(platform.handle, minWidth, minHeight, maxWidth, maxHeight);
}
// Set window dimensions
void SetWindowSize(int width, int height)
{
CORE.Window.screen.width = width;
CORE.Window.screen.height = height;
glfwSetWindowSize(platform.handle, width, height);
}
// Set window opacity, value opacity is between 0.0 and 1.0
void SetWindowOpacity(float opacity)
{
if (opacity >= 1.0f) opacity = 1.0f;
else if (opacity <= 0.0f) opacity = 0.0f;
glfwSetWindowOpacity(platform.handle, opacity);
}
// Set window focused
void SetWindowFocused(void)
{
glfwFocusWindow(platform.handle);
}
// Get native window handle
void *GetWindowHandle(void)
{
#if defined(_WIN32)
// NOTE: Returned handle is: void *HWND (windows.h)
return glfwGetWin32Window(platform.handle);
#endif
#if defined(__linux__)
// NOTE: Returned handle is: unsigned long Window (X.h)
// typedef unsigned long XID;
// typedef XID Window;
//unsigned long id = (unsigned long)glfwGetX11Window(platform.handle);
//return NULL; // TODO: Find a way to return value... cast to void *?
return (void *)platform.handle;
#endif
#if defined(__APPLE__)
// NOTE: Returned handle is: (objc_object *)
return (void *)glfwGetCocoaWindow(platform.handle);
#endif
return NULL;
}
// Get number of monitors
int GetMonitorCount(void)
{
int monitorCount = 0;
glfwGetMonitors(&monitorCount);
return monitorCount;
}
// Get number of monitors
int GetCurrentMonitor(void)
{
int index = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
GLFWmonitor *monitor = NULL;
if (monitorCount >= 1)
{
if (IsWindowFullscreen())
{
// Get the handle of the monitor that the specified window is in full screen on
monitor = glfwGetWindowMonitor(platform.handle);
for (int i = 0; i < monitorCount; i++)
{
if (monitors[i] == monitor)
{
index = i;
break;
}
}
}
else
{
// In case the window is between two monitors, we use below logic
// to try to detect the "current monitor" for that window, note that
// this is probably an overengineered solution for a very side case
// trying to match SDL behaviour
int closestDist = 0x7FFFFFFF;
// Window center position
int wcx = 0;
int wcy = 0;
glfwGetWindowPos(platform.handle, &wcx, &wcy);
wcx += (int)CORE.Window.screen.width/2;
wcy += (int)CORE.Window.screen.height/2;
for (int i = 0; i < monitorCount; i++)
{
// Monitor top-left position
int mx = 0;
int my = 0;
monitor = monitors[i];
glfwGetMonitorPos(monitor, &mx, &my);
const GLFWvidmode *mode = glfwGetVideoMode(monitor);
if (mode)
{
const int right = mx + mode->width - 1;
const int bottom = my + mode->height - 1;
if ((wcx >= mx) &&
(wcx <= right) &&
(wcy >= my) &&
(wcy <= bottom))
{
index = i;
break;
}
int xclosest = wcx;
if (wcx < mx) xclosest = mx;
else if (wcx > right) xclosest = right;
int yclosest = wcy;
if (wcy < my) yclosest = my;
else if (wcy > bottom) yclosest = bottom;
int dx = wcx - xclosest;
int dy = wcy - yclosest;
int dist = (dx*dx) + (dy*dy);
if (dist < closestDist)
{
index = i;
closestDist = dist;
}
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor");
}
}
}
return index;
}
// Get selected monitor position
Vector2 GetMonitorPosition(int monitor)
{
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
int x, y;
glfwGetMonitorPos(monitors[monitor], &x, &y);
return (Vector2){ (float)x, (float)y };
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return (Vector2){ 0, 0 };
}
// Get selected monitor width (currently used by monitor)
int GetMonitorWidth(int monitor)
{
int width = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]);
if (mode) width = mode->width;
else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor");
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return width;
}
// Get selected monitor height (currently used by monitor)
int GetMonitorHeight(int monitor)
{
int height = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]);
if (mode) height = mode->height;
else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor");
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return height;
}
// Get selected monitor physical width in millimetres
int GetMonitorPhysicalWidth(int monitor)
{
int width = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount)) glfwGetMonitorPhysicalSize(monitors[monitor], &width, NULL);
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return width;
}
// Get selected monitor physical height in millimetres
int GetMonitorPhysicalHeight(int monitor)
{
int height = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount)) glfwGetMonitorPhysicalSize(monitors[monitor], NULL, &height);
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return height;
}
// Get selected monitor refresh rate
int GetMonitorRefreshRate(int monitor)
{
int refresh = 0;
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
const GLFWvidmode *vidmode = glfwGetVideoMode(monitors[monitor]);
refresh = vidmode->refreshRate;
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return refresh;
}
// Get the human-readable, UTF-8 encoded name of the selected monitor
const char *GetMonitorName(int monitor)
{
int monitorCount = 0;
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if ((monitor >= 0) && (monitor < monitorCount))
{
return glfwGetMonitorName(monitors[monitor]);
}
else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
return "";
}
// Get window position XY on monitor
Vector2 GetWindowPosition(void)
{
int x = 0;
int y = 0;
glfwGetWindowPos(platform.handle, &x, &y);
return (Vector2){ (float)x, (float)y };
}
// Get window scale DPI factor for current monitor
Vector2 GetWindowScaleDPI(void)
{
Vector2 scale = {0};
glfwGetWindowContentScale(platform.handle, &scale.x, &scale.y);
return scale;
}
// Set clipboard text content
void SetClipboardText(const char *text)
{
glfwSetClipboardString(platform.handle, text);
}
// Get clipboard text content
// NOTE: returned string is allocated and freed by GLFW
const char *GetClipboardText(void)
{
return glfwGetClipboardString(platform.handle);
}
// Get clipboard image
Image GetClipboardImage(void)
{
Image image = { 0 };
#if defined(SUPPORT_CLIPBOARD_IMAGE)
#if defined(_WIN32)
unsigned long long int dataSize = 0;
void *fileData = NULL;
int width = 0;
int height = 0;
fileData = (void*)Win32GetClipboardImageData(&width, &height, &dataSize);
if (fileData == NULL) TRACELOG(LOG_WARNING, "Clipboard image: Couldn't get clipboard data.");
else image = LoadImageFromMemory(".bmp", fileData, (int)dataSize);
#else
TRACELOG(LOG_WARNING, "GetClipboardImage() not implemented on target platform");
#endif
#endif // SUPPORT_CLIPBOARD_IMAGE
return image;
}
// Show mouse cursor
void ShowCursor(void)
{
glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
CORE.Input.Mouse.cursorHidden = false;
}
// Hides mouse cursor
void HideCursor(void)
{
glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
CORE.Input.Mouse.cursorHidden = true;
}
// Enables cursor (unlock cursor)
void EnableCursor(void)
{
glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
// Set cursor position in the middle
SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2);
if (glfwRawMouseMotionSupported()) glfwSetInputMode(platform.handle, GLFW_RAW_MOUSE_MOTION, GLFW_FALSE);
CORE.Input.Mouse.cursorHidden = false;
}
// Disables cursor (lock cursor)
void DisableCursor(void)
{
// Reset mouse position within the window area before disabling cursor
SetMousePosition(CORE.Window.screen.width, CORE.Window.screen.height);
glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
// Set cursor position in the middle
SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2);
if (glfwRawMouseMotionSupported()) glfwSetInputMode(platform.handle, GLFW_RAW_MOUSE_MOTION, GLFW_TRUE);
CORE.Input.Mouse.cursorHidden = true;
}
// Swap back buffer with front buffer (screen drawing)
void SwapScreenBuffer(void)
{
glfwSwapBuffers(platform.handle);
}
//----------------------------------------------------------------------------------
// Module Functions Definition: Misc
//----------------------------------------------------------------------------------
// Get elapsed time measure in seconds since InitTimer()
double GetTime(void)
{
double time = glfwGetTime(); // Elapsed time since glfwInit()
return time;
}
// Open URL with default system browser (if available)
// NOTE: This function is only safe to use if you control the URL given.
// A user could craft a malicious string performing another action.
// Only call this function yourself not with user input or make sure to check the string yourself.
// Ref: https://github.com/raysan5/raylib/issues/686
void OpenURL(const char *url)
{
// Security check to (partially) avoid malicious code
if (strchr(url, '\'') != NULL) TRACELOG(LOG_WARNING, "SYSTEM: Provided URL could be potentially malicious, avoid [\'] character");
else
{
char *cmd = (char *)RL_CALLOC(strlen(url) + 32, sizeof(char));
#if defined(_WIN32)
sprintf(cmd, "explorer \"%s\"", url);
#endif
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
sprintf(cmd, "xdg-open '%s'", url); // Alternatives: firefox, x-www-browser
#endif
#if defined(__APPLE__)
sprintf(cmd, "open '%s'", url);
#endif
int result = system(cmd);
if (result == -1) TRACELOG(LOG_WARNING, "OpenURL() child process could not be created");
RL_FREE(cmd);
}
}
//----------------------------------------------------------------------------------
// Module Functions Definition: Inputs
//----------------------------------------------------------------------------------
// Set internal gamepad mappings
int SetGamepadMappings(const char *mappings)
{
return glfwUpdateGamepadMappings(mappings);
}
// Set gamepad vibration
void SetGamepadVibration(int gamepad, float leftMotor, float rightMotor, float duration)
{
TRACELOG(LOG_WARNING, "SetGamepadVibration() not available on target platform");
}
// Set mouse position XY
void SetMousePosition(int x, int y)
{
CORE.Input.Mouse.currentPosition = (Vector2){ (float)x, (float)y };
CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition;
// NOTE: emscripten not implemented
glfwSetCursorPos(platform.handle, CORE.Input.Mouse.currentPosition.x, CORE.Input.Mouse.currentPosition.y);
}
// Set mouse cursor
void SetMouseCursor(int cursor)
{
CORE.Input.Mouse.cursor = cursor;
if (cursor == MOUSE_CURSOR_DEFAULT) glfwSetCursor(platform.handle, NULL);
else
{
// NOTE: We are relating internal GLFW enum values to our MouseCursor enum values
glfwSetCursor(platform.handle, glfwCreateStandardCursor(0x00036000 + cursor));
}
}
// Get physical key name.
const char *GetKeyName(int key)
{
return glfwGetKeyName(key, glfwGetKeyScancode(key));
}
// Register all input events
void PollInputEvents(void)
{
#if defined(SUPPORT_GESTURES_SYSTEM)
// NOTE: Gestures update must be called every frame to reset gestures correctly
// because ProcessGestureEvent() is just called on an event, not every frame
UpdateGestures();
#endif
// Reset keys/chars pressed registered
CORE.Input.Keyboard.keyPressedQueueCount = 0;
CORE.Input.Keyboard.charPressedQueueCount = 0;
// Reset last gamepad button/axis registered state
CORE.Input.Gamepad.lastButtonPressed = 0; // GAMEPAD_BUTTON_UNKNOWN
//CORE.Input.Gamepad.axisCount = 0;
// Keyboard/Mouse input polling (automatically managed by GLFW3 through callback)
// Register previous keys states
for (int i = 0; i < MAX_KEYBOARD_KEYS; i++)
{
CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i];
CORE.Input.Keyboard.keyRepeatInFrame[i] = 0;
}
// Register previous mouse states
for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i];
// Register previous mouse wheel state
CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove;
CORE.Input.Mouse.currentWheelMove = (Vector2){ 0.0f, 0.0f };
// Register previous mouse position
CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition;
// Register previous touch states
for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i];
// Reset touch positions
//for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ 0, 0 };
// Map touch position to mouse position for convenience
// WARNING: If the target desktop device supports touch screen, this behaviour should be reviewed!
// TODO: GLFW does not support multi-touch input just yet
// https://www.codeproject.com/Articles/668404/Programming-for-Multi-Touch
// https://docs.microsoft.com/en-us/windows/win32/wintouch/getting-started-with-multi-touch-messages
CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition;
// Check if gamepads are ready
// NOTE: We do it here in case of disconnection
for (int i = 0; i < MAX_GAMEPADS; i++)
{
if (glfwJoystickPresent(i)) CORE.Input.Gamepad.ready[i] = true;
else CORE.Input.Gamepad.ready[i] = false;
}
// Register gamepads buttons events
for (int i = 0; i < MAX_GAMEPADS; i++)
{
if (CORE.Input.Gamepad.ready[i]) // Check if gamepad is available
{
// Register previous gamepad states
for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k];
// Get current gamepad state
// NOTE: There is no callback available, so we get it manually
GLFWgamepadstate state = { 0 };
glfwGetGamepadState(i, &state); // This remapps all gamepads so they have their buttons mapped like an xbox controller
const unsigned char *buttons = state.buttons;
for (int k = 0; (buttons != NULL) && (k < MAX_GAMEPAD_BUTTONS); k++)
{
int button = -1; // GamepadButton enum values assigned
switch (k)
{
case GLFW_GAMEPAD_BUTTON_Y: button = GAMEPAD_BUTTON_RIGHT_FACE_UP; break;
case GLFW_GAMEPAD_BUTTON_B: button = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break;
case GLFW_GAMEPAD_BUTTON_A: button = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break;
case GLFW_GAMEPAD_BUTTON_X: button = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break;
case GLFW_GAMEPAD_BUTTON_LEFT_BUMPER: button = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break;
case GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break;
case GLFW_GAMEPAD_BUTTON_BACK: button = GAMEPAD_BUTTON_MIDDLE_LEFT; break;
case GLFW_GAMEPAD_BUTTON_GUIDE: button = GAMEPAD_BUTTON_MIDDLE; break;
case GLFW_GAMEPAD_BUTTON_START: button = GAMEPAD_BUTTON_MIDDLE_RIGHT; break;
case GLFW_GAMEPAD_BUTTON_DPAD_UP: button = GAMEPAD_BUTTON_LEFT_FACE_UP; break;
case GLFW_GAMEPAD_BUTTON_DPAD_RIGHT: button = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break;
case GLFW_GAMEPAD_BUTTON_DPAD_DOWN: button = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break;
case GLFW_GAMEPAD_BUTTON_DPAD_LEFT: button = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break;
case GLFW_GAMEPAD_BUTTON_LEFT_THUMB: button = GAMEPAD_BUTTON_LEFT_THUMB; break;
case GLFW_GAMEPAD_BUTTON_RIGHT_THUMB: button = GAMEPAD_BUTTON_RIGHT_THUMB; break;
default: break;
}
if (button != -1) // Check for valid button
{
if (buttons[k] == GLFW_PRESS)
{
CORE.Input.Gamepad.currentButtonState[i][button] = 1;
CORE.Input.Gamepad.lastButtonPressed = button;
}
else CORE.Input.Gamepad.currentButtonState[i][button] = 0;
}
}
// Get current axis state
const float *axes = state.axes;
for (int k = 0; (axes != NULL) && (k < GLFW_GAMEPAD_AXIS_LAST + 1); k++)
{
CORE.Input.Gamepad.axisState[i][k] = axes[k];
}
// Register buttons for 2nd triggers (because GLFW doesn't count these as buttons but rather axis)
CORE.Input.Gamepad.currentButtonState[i][GAMEPAD_BUTTON_LEFT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_LEFT_TRIGGER] > 0.1f);
CORE.Input.Gamepad.currentButtonState[i][GAMEPAD_BUTTON_RIGHT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_RIGHT_TRIGGER] > 0.1f);
CORE.Input.Gamepad.axisCount[i] = GLFW_GAMEPAD_AXIS_LAST + 1;
}
}
CORE.Window.resizedLastFrame = false;
if ((CORE.Window.eventWaiting) || (IsWindowState(FLAG_WINDOW_MINIMIZED) && !IsWindowState(FLAG_WINDOW_ALWAYS_RUN)))
{
glfwWaitEvents(); // Wait for in input events before continue (drawing is paused)
CORE.Time.previous = GetTime();
}
else glfwPollEvents(); // Poll input events: keyboard/mouse/window events (callbacks) -> Update keys state
CORE.Window.shouldClose = glfwWindowShouldClose(platform.handle);
// Reset close status for next frame
glfwSetWindowShouldClose(platform.handle, GLFW_FALSE);
}
//----------------------------------------------------------------------------------
// Module Internal Functions Definition
//----------------------------------------------------------------------------------
static void SetDimensionsFromMonitor(GLFWmonitor *monitor)
{
const GLFWvidmode *mode = glfwGetVideoMode(monitor);
// Default display resolution to that of the current mode
CORE.Window.display.width = mode->width;
CORE.Window.display.height = mode->height;
// Set screen width/height to the display width/height if they are 0
if (CORE.Window.screen.width == 0) CORE.Window.screen.width = CORE.Window.display.width;
if (CORE.Window.screen.height == 0) CORE.Window.screen.height = CORE.Window.display.height;
}
// Initialize platform: graphics, inputs and more
int InitPlatform(void)
{
glfwSetErrorCallback(ErrorCallback);
/*
// TODO: Setup GLFW custom allocators to match raylib ones
const GLFWallocator allocator = {
.allocate = MemAlloc,
.deallocate = MemFree,
.reallocate = MemRealloc,
.user = NULL
};
glfwInitAllocator(&allocator);
*/
#if defined(__APPLE__)
glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_FALSE);
#endif
// Initialize GLFW internal global state
int result = glfwInit();
if (result == GLFW_FALSE) { TRACELOG(LOG_WARNING, "GLFW: Failed to initialize GLFW"); return -1; }
// Initialize graphic device: display/window and graphic context
//----------------------------------------------------------------------------
glfwDefaultWindowHints(); // Set default windows hints
//glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits
//glfwWindowHint(GLFW_GREEN_BITS, 8); // Framebuffer green color component bits
//glfwWindowHint(GLFW_BLUE_BITS, 8); // Framebuffer blue color component bits
//glfwWindowHint(GLFW_ALPHA_BITS, 8); // Framebuffer alpha color component bits
//glfwWindowHint(GLFW_DEPTH_BITS, 24); // Depthbuffer bits
//glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window
//glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // OpenGL API to use. Alternative: GLFW_OPENGL_ES_API
//glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers
// Disable GlFW auto iconify behaviour
// Auto Iconify automatically minimizes (iconifies) the window if the window loses focus
// additionally auto iconify restores the hardware resolution of the monitor if the window that loses focus is a fullscreen window
glfwWindowHint(GLFW_AUTO_ICONIFY, 0);
// Check window creation flags
if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) CORE.Window.fullscreen = true;
if ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0) glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // Visible window
else glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE); // Window initially hidden
if ((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window
else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window
if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // Resizable window
else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // Avoid window being resizable
// Disable FLAG_WINDOW_MINIMIZED, not supported on initialization
if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED;
// Disable FLAG_WINDOW_MAXIMIZED, not supported on initialization
if ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED;
if ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) glfwWindowHint(GLFW_FOCUSED, GLFW_FALSE);
else glfwWindowHint(GLFW_FOCUSED, GLFW_TRUE);
if ((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) glfwWindowHint(GLFW_FLOATING, GLFW_TRUE);
else glfwWindowHint(GLFW_FLOATING, GLFW_FALSE);
// NOTE: Some GLFW flags are not supported on HTML5
if ((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) > 0) glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE); // Transparent framebuffer
else glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_FALSE); // Opaque framebuffer
if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0)
{
// Resize window content area based on the monitor content scale.
// NOTE: This hint only has an effect on platforms where screen coordinates and pixels always map 1:1 such as Windows and X11.
// On platforms like macOS the resolution of the framebuffer is changed independently of the window size.
glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); // Scale content area based on the monitor content scale where window is placed on
#if defined(__APPLE__)
glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_TRUE);
#endif
}
else glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_FALSE);
// Mouse passthrough
if ((CORE.Window.flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) > 0) glfwWindowHint(GLFW_MOUSE_PASSTHROUGH, GLFW_TRUE);
else glfwWindowHint(GLFW_MOUSE_PASSTHROUGH, GLFW_FALSE);
if (CORE.Window.flags & FLAG_MSAA_4X_HINT)
{
// NOTE: MSAA is only enabled for main framebuffer, not user-created FBOs
TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4");
glfwWindowHint(GLFW_SAMPLES, 4); // Tries to enable multisampling x4 (MSAA), default is 0
}
// NOTE: When asking for an OpenGL context version, most drivers provide the highest supported version
// with backward compatibility to older OpenGL versions.
// For example, if using OpenGL 1.1, driver can provide a 4.3 backwards compatible context.
// Check selection OpenGL version
if (rlGetVersion() == RL_OPENGL_21)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint)
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint)
}
else if (rlGetVersion() == RL_OPENGL_33)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint)
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint)
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above!
// Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE
#if defined(__APPLE__)
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE); // OSX Requires forward compatibility
#else
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Forward Compatibility Hint: Only 3.3 and above!
#endif
//glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context
}
else if (rlGetVersion() == RL_OPENGL_43)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4); // Choose OpenGL major version (just hint)
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint)
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE);
#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT)
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Enable OpenGL Debug Context
#endif
}
else if (rlGetVersion() == RL_OPENGL_ES_20) // Request OpenGL ES 2.0 context
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API);
}
else if (rlGetVersion() == RL_OPENGL_ES_30) // Request OpenGL ES 3.0 context
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API);
}
// NOTE: GLFW 3.4+ defers initialization of the Joystick subsystem on the first call to any Joystick related functions.
// Forcing this initialization here avoids doing it on PollInputEvents() called by EndDrawing() after first frame has been just drawn.
// The initialization will still happen and possible delays still occur, but before the window is shown, which is a nicer experience.
// REF: https://github.com/raysan5/raylib/issues/1554
glfwSetJoystickCallback(NULL);
GLFWmonitor *monitor = NULL;
if (CORE.Window.fullscreen)
{
// According to glfwCreateWindow(), if the user does not have a choice, fullscreen applications
// should default to the primary monitor.
monitor = glfwGetPrimaryMonitor();
if (!monitor)
{
TRACELOG(LOG_WARNING, "GLFW: Failed to get primary monitor");
return -1;
}
SetDimensionsFromMonitor(monitor);
// Remember center for switching from fullscreen to window
if ((CORE.Window.screen.height == CORE.Window.display.height) && (CORE.Window.screen.width == CORE.Window.display.width))
{
// If screen width/height equal to the display, we can't calculate the window pos for toggling full-screened/windowed.
// Toggling full-screened/windowed with pos(0, 0) can cause problems in some platforms, such as X11.
CORE.Window.position.x = CORE.Window.display.width/4;
CORE.Window.position.y = CORE.Window.display.height/4;
}
else
{
CORE.Window.position.x = CORE.Window.display.width/2 - CORE.Window.screen.width/2;
CORE.Window.position.y = CORE.Window.display.height/2 - CORE.Window.screen.height/2;
}
if (CORE.Window.position.x < 0) CORE.Window.position.x = 0;
if (CORE.Window.position.y < 0) CORE.Window.position.y = 0;
// Obtain recommended CORE.Window.display.width/CORE.Window.display.height from a valid videomode for the monitor
int count = 0;
const GLFWvidmode *modes = glfwGetVideoModes(monitor, &count);
// Get closest video mode to desired CORE.Window.screen.width/CORE.Window.screen.height
for (int i = 0; i < count; i++)
{
if ((unsigned int)modes[i].width >= CORE.Window.screen.width)
{
if ((unsigned int)modes[i].height >= CORE.Window.screen.height)
{
CORE.Window.display.width = modes[i].width;
CORE.Window.display.height = modes[i].height;
break;
}
}
}
TRACELOG(LOG_INFO, "SYSTEM: Closest fullscreen videomode: %i x %i", CORE.Window.display.width, CORE.Window.display.height);
// NOTE: ISSUE: Closest videomode could not match monitor aspect-ratio, for example,
// for a desired screen size of 800x450 (16:9), closest supported videomode is 800x600 (4:3),
// framebuffer is rendered correctly but once displayed on a 16:9 monitor, it gets stretched
// by the sides to fit all monitor space...
// Try to setup the most appropriate fullscreen framebuffer for the requested screenWidth/screenHeight
// It considers device display resolution mode and setups a framebuffer with black bars if required (render size/offset)
// Modified global variables: CORE.Window.screen.width/CORE.Window.screen.height - CORE.Window.render.width/CORE.Window.render.height - CORE.Window.renderOffset.x/CORE.Window.renderOffset.y - CORE.Window.screenScale
// TODO: It is a quite cumbersome solution to display size vs requested size, it should be reviewed or removed...
// HighDPI monitors are properly considered in a following similar function: SetupViewport()
SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height);
platform.handle = glfwCreateWindow(CORE.Window.display.width, CORE.Window.display.height, (CORE.Window.title != 0)? CORE.Window.title : " ", monitor, NULL);
// NOTE: Full-screen change, not working properly...
//glfwSetWindowMonitor(platform.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE);
}
else
{
// No-fullscreen window creation
bool requestWindowedFullscreen = (CORE.Window.screen.height == 0) && (CORE.Window.screen.width == 0);
// Default to at least one pixel in size, as creation with a zero dimension is not allowed.
int creationWidth = CORE.Window.screen.width != 0 ? CORE.Window.screen.width : 1;
int creationHeight = CORE.Window.screen.height != 0 ? CORE.Window.screen.height : 1;
platform.handle = glfwCreateWindow(creationWidth, creationHeight, (CORE.Window.title != 0)? CORE.Window.title : " ", NULL, NULL);
// After the window was created, determine the monitor that the window manager assigned.
// Derive display sizes, and, if possible, window size in case it was zero at beginning.
int monitorCount = 0;
int monitorIndex = GetCurrentMonitor();
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
if (monitorIndex < monitorCount)
{
monitor = monitors[monitorIndex];
SetDimensionsFromMonitor(monitor);
if (requestWindowedFullscreen) glfwSetWindowSize(platform.handle, CORE.Window.screen.width, CORE.Window.screen.height);
}
else
{
// The monitor for the window-manager-created window can not be determined, so it can not be centered.
glfwTerminate();
TRACELOG(LOG_WARNING, "GLFW: Failed to determine Monitor to center Window");
return -1;
}
if (platform.handle)
{
CORE.Window.render.width = CORE.Window.screen.width;
CORE.Window.render.height = CORE.Window.screen.height;
}
}
if (!platform.handle)
{
glfwTerminate();
TRACELOG(LOG_WARNING, "GLFW: Failed to initialize Window");
return -1;
}
glfwMakeContextCurrent(platform.handle);
result = glfwGetError(NULL);
// Check context activation
if ((result != GLFW_NO_WINDOW_CONTEXT) && (result != GLFW_PLATFORM_ERROR))
{
CORE.Window.ready = true;
glfwSwapInterval(0); // No V-Sync by default
// Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS)
// NOTE: V-Sync can be enabled by graphic driver configuration, it doesn't need
// to be activated on web platforms since VSync is enforced there.
if (CORE.Window.flags & FLAG_VSYNC_HINT)
{
// WARNING: It seems to hit a critical render path in Intel HD Graphics
glfwSwapInterval(1);
TRACELOG(LOG_INFO, "DISPLAY: Trying to enable VSYNC");
}
int fbWidth = CORE.Window.screen.width;
int fbHeight = CORE.Window.screen.height;
if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0)
{
// NOTE: On APPLE platforms system should manage window/input scaling and also framebuffer scaling.
// Framebuffer scaling should be activated with: glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_TRUE);
#if !defined(__APPLE__)
glfwGetFramebufferSize(platform.handle, &fbWidth, &fbHeight);
// Screen scaling matrix is required in case desired screen area is different from display area
CORE.Window.screenScale = MatrixScale((float)fbWidth/CORE.Window.screen.width, (float)fbHeight/CORE.Window.screen.height, 1.0f);
// Mouse input scaling for the new screen size
SetMouseScale((float)CORE.Window.screen.width/fbWidth, (float)CORE.Window.screen.height/fbHeight);
#endif
}
CORE.Window.render.width = fbWidth;
CORE.Window.render.height = fbHeight;
CORE.Window.currentFbo.width = fbWidth;
CORE.Window.currentFbo.height = fbHeight;
TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully");
TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height);
TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height);
TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height);
TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y);
}
else
{
TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphics device");
return -1;
}
if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) MinimizeWindow();
// If graphic device is no properly initialized, we end program
if (!CORE.Window.ready) { TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphic device"); return -1; }
else
{
// Try to center window on screen but avoiding window-bar outside of screen
int monitorX = 0;
int monitorY = 0;
int monitorWidth = 0;
int monitorHeight = 0;
glfwGetMonitorWorkarea(monitor, &monitorX, &monitorY, &monitorWidth, &monitorHeight);
// Here CORE.Window.render.width/height should be used instead of CORE.Window.screen.width/height to center the window correctly when the high dpi flag is enabled.
int posX = monitorX + (monitorWidth - (int)CORE.Window.render.width)/2;
int posY = monitorY + (monitorHeight - (int)CORE.Window.render.height)/2;
if (posX < monitorX) posX = monitorX;
if (posY < monitorY) posY = monitorY;
SetWindowPosition(posX, posY);
// Update CORE.Window.position here so it is correct from the start
CORE.Window.position.x = posX;
CORE.Window.position.y = posY;
}
// Load OpenGL extensions
// NOTE: GL procedures address loader is required to load extensions
rlLoadExtensions(glfwGetProcAddress);
//----------------------------------------------------------------------------
// Initialize input events callbacks
//----------------------------------------------------------------------------
// Set window callback events
glfwSetWindowSizeCallback(platform.handle, WindowSizeCallback); // NOTE: Resizing not allowed by default!
glfwSetWindowPosCallback(platform.handle, WindowPosCallback);
glfwSetWindowMaximizeCallback(platform.handle, WindowMaximizeCallback);
glfwSetWindowIconifyCallback(platform.handle, WindowIconifyCallback);
glfwSetWindowFocusCallback(platform.handle, WindowFocusCallback);
glfwSetDropCallback(platform.handle, WindowDropCallback);
if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0)
{
glfwSetWindowContentScaleCallback(platform.handle, WindowContentScaleCallback);
}
// Set input callback events
glfwSetKeyCallback(platform.handle, KeyCallback);
glfwSetCharCallback(platform.handle, CharCallback);
glfwSetMouseButtonCallback(platform.handle, MouseButtonCallback);
glfwSetCursorPosCallback(platform.handle, MouseCursorPosCallback); // Track mouse position changes
glfwSetScrollCallback(platform.handle, MouseScrollCallback);
glfwSetCursorEnterCallback(platform.handle, CursorEnterCallback);
glfwSetJoystickCallback(JoystickCallback);
glfwSetInputMode(platform.handle, GLFW_LOCK_KEY_MODS, GLFW_TRUE); // Enable lock keys modifiers (CAPS, NUM)
// Retrieve gamepad names
for (int i = 0; i < MAX_GAMEPADS; i++)
{
if (glfwJoystickPresent(i)) strcpy(CORE.Input.Gamepad.name[i], glfwGetJoystickName(i));
}
// Initialize mouse positions:
const double xpos, ypos;
glfwGetCursorPos(platform.handle, &xpos, &ypos);
CORE.Input.Mouse.previousPosition.x = (float)xpos;
CORE.Input.Mouse.previousPosition.y = (float)ypos;
CORE.Input.Mouse.currentPosition.x = (float)xpos;
CORE.Input.Mouse.currentPosition.y = (float)ypos;
//----------------------------------------------------------------------------
// Initialize timming system
//----------------------------------------------------------------------------
InitTimer();
//----------------------------------------------------------------------------
// Initialize storage system
//----------------------------------------------------------------------------
CORE.Storage.basePath = GetWorkingDirectory();
//----------------------------------------------------------------------------
#if defined(__NetBSD__)
// Workaround for NetBSD
char *glfwPlatform = "X11";
#else
char *glfwPlatform = "";
switch (glfwGetPlatform())
{
case GLFW_PLATFORM_WIN32: glfwPlatform = "Win32"; break;
case GLFW_PLATFORM_COCOA: glfwPlatform = "Cocoa"; break;
case GLFW_PLATFORM_WAYLAND: glfwPlatform = "Wayland"; break;
case GLFW_PLATFORM_X11: glfwPlatform = "X11"; break;
case GLFW_PLATFORM_NULL: glfwPlatform = "Null"; break;
default: break;
}
#endif
TRACELOG(LOG_INFO, "PLATFORM: DESKTOP (GLFW - %s): Initialized successfully", glfwPlatform);
return 0;
}
// Close platform
void ClosePlatform(void)
{
glfwDestroyWindow(platform.handle);
glfwTerminate();
#if defined(_WIN32) && defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP)
timeEndPeriod(1); // Restore time period
#endif
}
// GLFW3 Error Callback, runs on GLFW3 error
static void ErrorCallback(int error, const char *description)
{
TRACELOG(LOG_WARNING, "GLFW: Error: %i Description: %s", error, description);
}
// GLFW3 WindowSize Callback, runs when window is resizedLastFrame
// NOTE: Window resizing not allowed by default
static void WindowSizeCallback(GLFWwindow *window, int width, int height)
{
// Reset viewport and projection matrix for new size
SetupViewport(width, height);
CORE.Window.currentFbo.width = width;
CORE.Window.currentFbo.height = height;
CORE.Window.resizedLastFrame = true;
if (IsWindowFullscreen()) return;
// Set current screen size
CORE.Window.screen.width = width;
CORE.Window.screen.height = height;
// NOTE: Postprocessing texture is not scaled to new size
}
static void WindowPosCallback(GLFWwindow* window, int x, int y)
{
// Set current window position
CORE.Window.position.x = x;
CORE.Window.position.y = y;
}
static void WindowContentScaleCallback(GLFWwindow *window, float scalex, float scaley)
{
CORE.Window.screenScale = MatrixScale(scalex, scaley, 1.0f);
}
// GLFW3 WindowIconify Callback, runs when window is minimized/restored
static void WindowIconifyCallback(GLFWwindow *window, int iconified)
{
if (iconified) CORE.Window.flags |= FLAG_WINDOW_MINIMIZED; // The window was iconified
else CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; // The window was restored
}
// GLFW3 WindowMaximize Callback, runs when window is maximized/restored
static void WindowMaximizeCallback(GLFWwindow *window, int maximized)
{
if (maximized) CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; // The window was maximized
else CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; // The window was restored
}
// GLFW3 WindowFocus Callback, runs when window get/lose focus
static void WindowFocusCallback(GLFWwindow *window, int focused)
{
if (focused) CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED; // The window was focused
else CORE.Window.flags |= FLAG_WINDOW_UNFOCUSED; // The window lost focus
}
// GLFW3 Window Drop Callback, runs when drop files into window
static void WindowDropCallback(GLFWwindow *window, int count, const char **paths)
{
if (count > 0)
{
// In case previous dropped filepaths have not been freed, we free them
if (CORE.Window.dropFileCount > 0)
{
for (unsigned int i = 0; i < CORE.Window.dropFileCount; i++) RL_FREE(CORE.Window.dropFilepaths[i]);
RL_FREE(CORE.Window.dropFilepaths);
CORE.Window.dropFileCount = 0;
CORE.Window.dropFilepaths = NULL;
}
// WARNING: Paths are freed by GLFW when the callback returns, we must keep an internal copy
CORE.Window.dropFileCount = count;
CORE.Window.dropFilepaths = (char **)RL_CALLOC(CORE.Window.dropFileCount, sizeof(char *));
for (unsigned int i = 0; i < CORE.Window.dropFileCount; i++)
{
CORE.Window.dropFilepaths[i] = (char *)RL_CALLOC(MAX_FILEPATH_LENGTH, sizeof(char));
strcpy(CORE.Window.dropFilepaths[i], paths[i]);
}
}
}
// GLFW3 Keyboard Callback, runs on key pressed
static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods)
{
if (key < 0) return; // Security check, macOS fn key generates -1
// WARNING: GLFW could return GLFW_REPEAT, we need to consider it as 1
// to work properly with our implementation (IsKeyDown/IsKeyUp checks)
if (action == GLFW_RELEASE) CORE.Input.Keyboard.currentKeyState[key] = 0;
else if(action == GLFW_PRESS) CORE.Input.Keyboard.currentKeyState[key] = 1;
else if(action == GLFW_REPEAT) CORE.Input.Keyboard.keyRepeatInFrame[key] = 1;
// WARNING: Check if CAPS/NUM key modifiers are enabled and force down state for those keys
if (((key == KEY_CAPS_LOCK) && ((mods & GLFW_MOD_CAPS_LOCK) > 0)) ||
((key == KEY_NUM_LOCK) && ((mods & GLFW_MOD_NUM_LOCK) > 0))) CORE.Input.Keyboard.currentKeyState[key] = 1;
// Check if there is space available in the key queue
if ((CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) && (action == GLFW_PRESS))
{
// Add character to the queue
CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key;
CORE.Input.Keyboard.keyPressedQueueCount++;
}
// Check the exit key to set close window
if ((key == CORE.Input.Keyboard.exitKey) && (action == GLFW_PRESS)) glfwSetWindowShouldClose(platform.handle, GLFW_TRUE);
}
// GLFW3 Char Callback, get unicode codepoint value
static void CharCallback(GLFWwindow *window, unsigned int codepoint)
{
//TRACELOG(LOG_DEBUG, "Char Callback: Codepoint: %i", codepoint);
// NOTE: Registers any key down considering OS keyboard layout but
// does not detect action events, those should be managed by user...
// Ref: https://github.com/glfw/glfw/issues/668#issuecomment-166794907
// Ref: https://www.glfw.org/docs/latest/input_guide.html#input_char
// Check if there is space available in the queue
if (CORE.Input.Keyboard.charPressedQueueCount < MAX_CHAR_PRESSED_QUEUE)
{
// Add character to the queue
CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = codepoint;
CORE.Input.Keyboard.charPressedQueueCount++;
}
}
// GLFW3 Mouse Button Callback, runs on mouse button pressed
static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods)
{
// WARNING: GLFW could only return GLFW_PRESS (1) or GLFW_RELEASE (0) for now,
// but future releases may add more actions (i.e. GLFW_REPEAT)
CORE.Input.Mouse.currentButtonState[button] = action;
CORE.Input.Touch.currentTouchState[button] = action;
#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES)
// Process mouse events as touches to be able to use mouse-gestures
GestureEvent gestureEvent = { 0 };
// Register touch actions
if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_ACTION_DOWN;
else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_ACTION_UP;
// NOTE: TOUCH_ACTION_MOVE event is registered in MouseCursorPosCallback()
// Assign a pointer ID
gestureEvent.pointId[0] = 0;
// Register touch points count
gestureEvent.pointCount = 1;
// Register touch points position, only one point registered
gestureEvent.position[0] = GetMousePosition();
// Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height
gestureEvent.position[0].x /= (float)GetScreenWidth();
gestureEvent.position[0].y /= (float)GetScreenHeight();
// Gesture data is sent to gestures-system for processing
ProcessGestureEvent(gestureEvent);
#endif
}
// GLFW3 Cursor Position Callback, runs on mouse move
static void MouseCursorPosCallback(GLFWwindow *window, double x, double y)
{
CORE.Input.Mouse.currentPosition.x = (float)x;
CORE.Input.Mouse.currentPosition.y = (float)y;
CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition;
#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES)
// Process mouse events as touches to be able to use mouse-gestures
GestureEvent gestureEvent = { 0 };
gestureEvent.touchAction = TOUCH_ACTION_MOVE;
// Assign a pointer ID
gestureEvent.pointId[0] = 0;
// Register touch points count
gestureEvent.pointCount = 1;
// Register touch points position, only one point registered
gestureEvent.position[0] = CORE.Input.Touch.position[0];
// Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height
gestureEvent.position[0].x /= (float)GetScreenWidth();
gestureEvent.position[0].y /= (float)GetScreenHeight();
// Gesture data is sent to gestures-system for processing
ProcessGestureEvent(gestureEvent);
#endif
}
// GLFW3 Scrolling Callback, runs on mouse wheel
static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset)
{
CORE.Input.Mouse.currentWheelMove = (Vector2){ (float)xoffset, (float)yoffset };
}
// GLFW3 CursorEnter Callback, when cursor enters the window
static void CursorEnterCallback(GLFWwindow *window, int enter)
{
if (enter) CORE.Input.Mouse.cursorOnScreen = true;
else CORE.Input.Mouse.cursorOnScreen = false;
}
// GLFW3 Joystick Connected/Disconnected Callback
static void JoystickCallback(int jid, int event)
{
if (event == GLFW_CONNECTED)
{
strcpy(CORE.Input.Gamepad.name[jid], glfwGetJoystickName(jid));
}
else if (event == GLFW_DISCONNECTED)
{
memset(CORE.Input.Gamepad.name[jid], 0, 64);
}
}
#ifdef _WIN32
# define WIN32_CLIPBOARD_IMPLEMENTATION
# include "../external/win32_clipboard.h"
#endif
// EOF