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[rcore][desktop_glfw] Keeping CORE.Window.position properly in sync with glfw window position (#4190) 

* WindowPosCallback added.

CORE.Window.position is now properly kept in sync with the glfw window position.

* Update rcore_desktop_glfw.c

Comments updated.

* Setting CORE.Window.position correctly in InitPlatform() as well.

This also fixes not centering the window correctly when the high dpi flag was enabled.

* Fixes centering the window in the SetWindowMonitor() function.

Here the render size has to be used again in case the high dpi flag is enabled.

* Update Window Position

Update Window Position right away in ToggleFullscreen() & ToggleBorderlessWindowed() functions
This commit is contained in:
Dave Green 2024-08-24 20:33:21 +02:00 committed by GitHub
parent 0aba21f71c
commit 0c06a08e07
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GPG Key ID: B5690EEEBB952194
1 changed files with 35 additions and 12 deletions
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47
src/platforms/rcore_desktop_glfw.c
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@ -109,6 +109,7 @@ static void ErrorCallback(int error, const char *description);
// 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
@ -147,8 +148,8 @@ void ToggleFullscreen(void)
if (!CORE.Window.fullscreen)
{
// Store previous window position (in case we exit fullscreen)
glfwGetWindowPos(platform.handle, &CORE.Window.position.x, &CORE.Window.position.y);
CORE.Window.previousPosition = CORE.Window.position;
int monitorCount = 0;
int monitorIndex = GetCurrentMonitor();
GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
@ -179,7 +180,11 @@ void ToggleFullscreen(void)
CORE.Window.fullscreen = false;
CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE;
glfwSetWindowMonitor(platform.handle, NULL, CORE.Window.position.x, CORE.Window.position.y, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE);
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)
@ -190,11 +195,11 @@ void ToggleFullscreen(void)
// Toggle borderless windowed mode
void ToggleBorderlessWindowed(void)
{
// Leave fullscreen before attempting to set borderless windowed mode and get screen position from it
// Leave fullscreen before attempting to set borderless windowed mode
bool wasOnFullscreen = false;
if (CORE.Window.fullscreen)
{
CORE.Window.previousPosition = CORE.Window.position;
// fullscreen already saves the previous position so it does not need to be set here again
ToggleFullscreen();
wasOnFullscreen = true;
}
@ -213,7 +218,7 @@ void ToggleBorderlessWindowed(void)
{
// Store screen position and size
// NOTE: If it was on fullscreen, screen position was already stored, so skip setting it here
if (!wasOnFullscreen) glfwGetWindowPos(platform.handle, &CORE.Window.previousPosition.x, &CORE.Window.previousPosition.y);
if (!wasOnFullscreen) CORE.Window.previousPosition = CORE.Window.position;
CORE.Window.previousScreen = CORE.Window.screen;
// Set undecorated and topmost modes and flags
@ -255,6 +260,9 @@ void ToggleBorderlessWindowed(void)
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");
@ -592,6 +600,9 @@ void SetWindowTitle(const char *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);
}
@ -614,8 +625,9 @@ void SetWindowMonitor(int monitor)
{
TRACELOG(LOG_INFO, "GLFW: Selected monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor]));
const int screenWidth = CORE.Window.screen.width;
const int screenHeight = CORE.Window.screen.height;
// 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;
@ -1568,12 +1580,17 @@ int InitPlatform(void)
int monitorWidth = 0;
int monitorHeight = 0;
glfwGetMonitorWorkarea(monitor, &monitorX, &monitorY, &monitorWidth, &monitorHeight);
int posX = monitorX + (monitorWidth - (int)CORE.Window.screen.width)/2;
int posY = monitorY + (monitorHeight - (int)CORE.Window.screen.height)/2;
// 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
@ -1585,6 +1602,7 @@ int InitPlatform(void)
//----------------------------------------------------------------------------
// 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);
@ -1681,7 +1699,12 @@ static void WindowSizeCallback(GLFWwindow *window, int width, int 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);