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[WIP] Added automatic DPI scaling to editor #626

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[WIP] Added automatic DPI scaling to editor #626

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df5a5c9
Enabled ImGui DPI scaling setting
adriengivry Dec 3, 2025
ad68135
Code cleanup
adriengivry Dec 3, 2025
febccae
Cleaned up implementation
adriengivry Dec 8, 2025
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6 changes: 6 additions & 0 deletions Sources/OvUI/include/OvUI/Core/UIManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,12 @@ namespace OvUI::Core
*/
void EnableDocking(bool p_value);

/**
* Enable DPI scaling
* @param p_value
*/
void EnableDPIScaling(bool p_value);

/**
* Reset the UI layout to the given configuration file
* @param p_config
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20 changes: 19 additions & 1 deletion Sources/OvUI/src/OvUI/Core/UIManager.cpp
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Expand Up @@ -33,6 +33,8 @@ OvUI::Core::UIManager::UIManager(GLFWwindow* p_glfwWindow, Styling::EStyle p_sty
ImGui::CreateContext();

ImGui::GetIO().ConfigWindowsMoveFromTitleBarOnly = true; /* Disable moving windows by dragging another thing than the title bar */

EnableDPIScaling(true);
EnableDocking(false);

ApplyStyle(p_style);
Expand Down Expand Up @@ -139,7 +141,23 @@ void OvUI::Core::UIManager::EnableDocking(bool p_value)
ImGui::GetIO().ConfigFlags &= ~ImGuiConfigFlags_DockingEnable;
}

void OvUI::Core::UIManager::ResetLayout(const std::string& p_config) const
void OvUI::Core::UIManager::EnableDPIScaling(bool p_value)
{
ImGuiIO& io = ImGui::GetIO();

const auto dpiScalingFlags = ImGuiConfigFlags_DpiEnableScaleViewports | ImGuiConfigFlags_DpiEnableScaleFonts;

if (p_value)
{
io.ConfigFlags |= dpiScalingFlags;
}
else
{
io.ConfigFlags &= ~dpiScalingFlags;
}
}

void OvUI::Core::UIManager::ResetLayout(const std::string &p_config) const
{
ImGui::LoadIniSettingsFromDisk(p_config.c_str());
}
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