Change the theme of UI

AnKi/Ui/Canvas.cpp

@@ -14,6 +14,121 @@
 
 namespace anki {
 
+static void setColorStyleAdia()
+{
+	ImGuiStyle& style = ImGui::GetStyle();
+	ImVec4* colors = style.Colors;
+
+	// Base Colors
+	const ImVec4 bgColor = ImVec4(0.10f, 0.105f, 0.11f, 1.00f);
+	const ImVec4 lightBgColor = ImVec4(0.15f, 0.16f, 0.17f, 1.00f);
+	const ImVec4 panelColor = ImVec4(0.17f, 0.18f, 0.19f, 1.00f);
+	const ImVec4 panelHoverColor = ImVec4(0.20f, 0.22f, 0.24f, 1.00f);
+	const ImVec4 panelActiveColor = ImVec4(0.23f, 0.26f, 0.29f, 1.00f);
+	const ImVec4 textColor = ImVec4(0.86f, 0.87f, 0.88f, 1.00f);
+	const ImVec4 textDisabledColor = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
+	const ImVec4 borderColor = ImVec4(0.14f, 0.16f, 0.18f, 1.00f);
+	const ImVec4 blueColor = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+
+	// Text
+	colors[ImGuiCol_Text] = textColor;
+	colors[ImGuiCol_TextDisabled] = textDisabledColor;
+
+	// Windows
+	colors[ImGuiCol_WindowBg] = bgColor;
+	colors[ImGuiCol_ChildBg] = bgColor;
+	colors[ImGuiCol_PopupBg] = bgColor;
+	colors[ImGuiCol_Border] = borderColor;
+	colors[ImGuiCol_BorderShadow] = borderColor;
+
+	// Headers
+	colors[ImGuiCol_Header] = panelColor;
+	colors[ImGuiCol_HeaderHovered] = panelHoverColor;
+	colors[ImGuiCol_HeaderActive] = panelActiveColor;
+
+	// Buttons
+	colors[ImGuiCol_Button] = panelColor;
+	colors[ImGuiCol_ButtonHovered] = panelHoverColor;
+	colors[ImGuiCol_ButtonActive] = panelActiveColor;
+
+	// Frame BG
+	colors[ImGuiCol_FrameBg] = lightBgColor;
+	colors[ImGuiCol_FrameBgHovered] = panelHoverColor;
+	colors[ImGuiCol_FrameBgActive] = panelActiveColor;
+
+	// Tabs
+	colors[ImGuiCol_Tab] = panelColor;
+	colors[ImGuiCol_TabHovered] = panelHoverColor;
+	colors[ImGuiCol_TabActive] = panelActiveColor;
+	colors[ImGuiCol_TabUnfocused] = panelColor;
+	colors[ImGuiCol_TabUnfocusedActive] = panelHoverColor;
+
+	// Title
+	colors[ImGuiCol_TitleBg] = bgColor;
+	colors[ImGuiCol_TitleBgActive] = bgColor;
+	colors[ImGuiCol_TitleBgCollapsed] = bgColor;
+
+	// Scrollbar
+	colors[ImGuiCol_ScrollbarBg] = bgColor;
+	colors[ImGuiCol_ScrollbarGrab] = panelColor;
+	colors[ImGuiCol_ScrollbarGrabHovered] = panelHoverColor;
+	colors[ImGuiCol_ScrollbarGrabActive] = panelActiveColor;
+
+	// Checkmark
+	colors[ImGuiCol_CheckMark] = blueColor;
+
+	// Slider
+	colors[ImGuiCol_SliderGrab] = blueColor;
+	colors[ImGuiCol_SliderGrabActive] = blueColor;
+
+	// Resize Grip
+	colors[ImGuiCol_ResizeGrip] = panelColor;
+	colors[ImGuiCol_ResizeGripHovered] = panelHoverColor;
+	colors[ImGuiCol_ResizeGripActive] = panelActiveColor;
+
+	// Separator
+	colors[ImGuiCol_Separator] = borderColor;
+	colors[ImGuiCol_SeparatorHovered] = panelHoverColor;
+	colors[ImGuiCol_SeparatorActive] = panelActiveColor;
+
+	// Plot
+	colors[ImGuiCol_PlotLines] = textColor;
+	colors[ImGuiCol_PlotLinesHovered] = panelActiveColor;
+	colors[ImGuiCol_PlotHistogram] = textColor;
+	colors[ImGuiCol_PlotHistogramHovered] = panelActiveColor;
+
+	// Text Selected BG
+	colors[ImGuiCol_TextSelectedBg] = panelActiveColor;
+
+	// Modal Window Dim Bg
+	colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.10f, 0.105f, 0.11f, 0.5f);
+
+	// Tables
+	colors[ImGuiCol_TableHeaderBg] = panelColor;
+	colors[ImGuiCol_TableBorderStrong] = borderColor;
+	colors[ImGuiCol_TableBorderLight] = borderColor;
+	colors[ImGuiCol_TableRowBg] = bgColor;
+	colors[ImGuiCol_TableRowBgAlt] = lightBgColor;
+
+	// Styles
+	style.FrameBorderSize = 1.0f;
+	style.FrameRounding = 2.0f;
+	style.WindowBorderSize = 1.0f;
+	style.PopupBorderSize = 1.0f;
+	style.ScrollbarSize = 12.0f;
+	style.ScrollbarRounding = 2.0f;
+	style.GrabMinSize = 7.0f;
+	style.GrabRounding = 2.0f;
+	style.TabBorderSize = 1.0f;
+	style.TabRounding = 2.0f;
+
+	// Reduced Padding and Spacing
+	style.WindowPadding = ImVec2(5.0f, 5.0f);
+	style.FramePadding = ImVec2(4.0f, 3.0f);
+	style.ItemSpacing = ImVec2(6.0f, 4.0f);
+	style.ItemInnerSpacing = ImVec2(4.0f, 4.0f);
+}
+
 Canvas::~Canvas()
 {
 	if(m_imCtx)
@@ -56,7 +171,8 @@ Error Canvas::init(FontPtr font, U32 fontHeight, U32 width, U32 height)
 	ImGui::SetCurrentContext(m_imCtx);
 	ImGui::GetIO().IniFilename = nullptr;
 	ImGui::GetIO().LogFilename = nullptr;
-	ImGui::StyleColorsLight();
+	// ImGui::StyleColorsLight();
+	setColorStyleAdia();
 
 #define ANKI_HANDLE(ak, im) ImGui::GetIO().KeyMap[im] = static_cast<int>(ak);