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rcore_desktop_glfw.c
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rcore_desktop_glfw.c
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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) 2013-2024 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;
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
unsigned int __stdcall timeBeginPeriod(unsigned int uPeriod);
unsigned int __stdcall timeEndPeriod(unsigned int uPeriod);
#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 and topmost modes and flags
glfwSetWindowAttrib(platform.handle, GLFW_DECORATED, GLFW_FALSE);
CORE.Window.flags |= FLAG_WINDOW_UNDECORATED;
glfwSetWindowAttrib(platform.handle, GLFW_FLOATING, GLFW_TRUE);
CORE.Window.flags |= FLAG_WINDOW_TOPMOST;
// 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 topmost and undecorated modes and flags
glfwSetWindowAttrib(platform.handle, GLFW_FLOATING, GLFW_FALSE);
CORE.Window.flags &= ~FLAG_WINDOW_TOPMOST;
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))
{
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);
}
// 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)
{
glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
// Set cursor position in the middle