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Backends: GLFW: Handle unsupported glfwGetVideoMode() for Emscripten. (#6096)

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This is used to populate the monitor array, which is only a requirement for multi-viewport support (which is not supported by Emscripten anyway).
This commit is contained in:
Cody Tapscott 2023-01-18 15:50:55 -07:00 committed by ocornut
parent d822c65317
commit 6342275bbb
2 changed files with 13 additions and 1 deletions
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5
backends/imgui_impl_glfw.cpp
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@ -21,6 +21,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2023-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2023-01-18: Handle unsupported glfwGetVideoMode() call on e.g. Emscripten.
// 2023-01-04: Inputs: Fixed mods state on Linux when using Alt-GR text input (e.g. German keyboard layout), could lead to broken text input. Revert a 2022/01/17 change were we resumed using mods provided by GLFW, turns out they were faulty.
// 2022-11-22: Perform a dummy glfwGetError() read to cancel missing names with glfwGetKeyName(). (#5908)
// 2022-10-18: Perform a dummy glfwGetError() read to cancel missing mouse cursors errors. Using GLFW_VERSION_COMBINED directly. (#5785)
@ -759,12 +760,15 @@ static void ImGui_ImplGlfw_UpdateMonitors()
int monitors_count = 0;
GLFWmonitor** glfw_monitors = glfwGetMonitors(&monitors_count);
platform_io.Monitors.resize(0);
bd->WantUpdateMonitors = false;
for (int n = 0; n < monitors_count; n++)
{
ImGuiPlatformMonitor monitor;
int x, y;
glfwGetMonitorPos(glfw_monitors[n], &x, &y);
const GLFWvidmode* vid_mode = glfwGetVideoMode(glfw_monitors[n]);
if (vid_mode == NULL)
continue; // Failed to get Video mode (e.g. Emscripten does not support this function)
monitor.MainPos = monitor.WorkPos = ImVec2((float)x, (float)y);
monitor.MainSize = monitor.WorkSize = ImVec2((float)vid_mode->width, (float)vid_mode->height);
#if GLFW_HAS_MONITOR_WORK_AREA
@ -784,7 +788,6 @@ static void ImGui_ImplGlfw_UpdateMonitors()
#endif
platform_io.Monitors.push_back(monitor);
}
bd->WantUpdateMonitors = false;
}
void ImGui_ImplGlfw_NewFrame()

9
docs/CHANGELOG.txt
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@ -98,6 +98,15 @@ Other changes:
Note that Linux/Mac still have inconsistent support for multi-viewports. If you want to help see https://github.com/ocornut/imgui/issues/2117.
-----------------------------------------------------------------------
VERSION 1.89.3 (In Progress)
-----------------------------------------------------------------------
Docking+Viewports Branch:
- Backends: GLFW: Handle unsupported glfwGetVideoMode() for Emscripten. (#6096)
-----------------------------------------------------------------------
VERSION 1.89.2 (Released 2023-01-05)
-----------------------------------------------------------------------