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Add Windows window live resize #201

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Merged
merged 5 commits into from
Jul 13, 2025
Merged

Add Windows window live resize #201

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e6f84e1
add event watch for window exposed
HeliumAnt Jul 12, 2025
621bbca
remove debug print
HeliumAnt Jul 12, 2025
dff8b37
oops
HeliumAnt Jul 12, 2025
fd03dec
enable expose watcher everywhere, turns out macos does want it as wel…
HeliumAnt Jul 12, 2025
6efc2ba
Merge branch 'development' into windows-live-resize
Causeless Jul 13, 2025
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13 changes: 11 additions & 2 deletions Source/Managers/WindowMan.cpp
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
#include "WindowMan.h"
#include "RTEError.h"
#include "SDL3/SDL_error.h"
#include "SDL3/SDL_video.h"
#include "SDL3/SDL.h"
#include "SettingsMan.h"
#include "FrameMan.h"
#include "ActivityMan.h"
Expand Down Expand Up @@ -155,6 +154,8 @@ void WindowMan::Initialize() {
} else {
SetViewportLetterboxed();
}

SDL_AddEventWatch((SDL_EventFilter)WindowMan::HandleWindowExposedEvent, nullptr);
}

void WindowMan::CreatePrimaryWindow() {
Expand Down Expand Up @@ -674,6 +675,14 @@ void WindowMan::DisplaySwitchOut() const {
SDL_SetCursor(nullptr);
}

void WindowMan::HandleWindowExposedEvent(void *userdata, SDL_Event *event) {
if (event->type == SDL_EVENT_WINDOW_EXPOSED) {
g_WindowMan.SetViewportLetterboxed();
g_WindowMan.ClearBackbuffer(false);
g_WindowMan.UploadFrame();
}
}

void WindowMan::QueueWindowEvent(const SDL_Event& windowEvent) {
m_EventQueue.emplace_back(windowEvent);
}
Expand Down
3 changes: 3 additions & 0 deletions Source/Managers/WindowMan.h
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,9 @@ namespace RTE {
#pragma endregion

#pragma region Concrete Methods
/// SDL_EventFilter to hadnle window exposed events for live resize.
static void HandleWindowExposedEvent(void* userdata, SDL_Event* event);

/// Adds an SDL_Event to the Event queue for processing on Update.
/// @param windowEvent The SDL window event to queue.
void QueueWindowEvent(const SDL_Event& windowEvent);
Expand Down