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big time refactor + button styles

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This commit is contained in:
Asuro
2023-03-26 22:23:49 +02:00
parent a7fb909174
commit 6b29c5e0b8
6 changed files with 223 additions and 116 deletions
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89
ImguiBase/ImguiBase.cpp
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@@ -1,6 +1,9 @@
#include "ImguiBase.h"
// hacky inlcude for custom button alignment
#include "imgui_internal.h"
#include "imgui_impl_glfw.h"
#include "imgui_impl_vulkan.h"
@@ -568,4 +571,88 @@ ImVec2 getWindowSize(GLFWwindow* window)
int window_height;
glfwGetWindowSize(window, &window_width, &window_height);
return ImVec2(window_width, window_height);
}
}
void dropShadow()
{
dropShadow(DEFAULT_DROP_SHADOW_SIZE, ImGui::GetStyle().Colors[DEFAULT_DROP_SHADOW_COLOR_ID]);
}
void dropShadow(const float shadowSize, const ImColor& color)
{
ImVec2 lastMin = ImGui::GetItemRectMin();
ImVec2 lastMax = ImGui::GetItemRectMax();
renderDropShadow(shadowSize, lastMin, lastMax, color);
}
void renderDropShadow(const float shadowSize, const ImVec2& min, const ImVec2& max, const ImColor& color)
{
ImDrawList* windowDrawList = ImGui::GetWindowDrawList();
windowDrawList->AddQuadFilled(
{ min.x, max.y },
{ max.x, max.y },
{ max.x + shadowSize, max.y + shadowSize },
{ min.x + shadowSize, max.y + shadowSize },
color);
windowDrawList->AddQuadFilled(
{ max.x, min.y },
{ max.x + shadowSize, min.y + shadowSize },
{ max.x + shadowSize, max.y + shadowSize },
{ max.x, max.y },
color);
}
bool dropButton(const char* label, const ImVec2& size, float shadowSize, bool smallButton)
{
ImGuiStyle style = ImGui::GetStyle();
ImVec2 backupPadding = style.FramePadding;
if (smallButton) style.FramePadding.y = 0.f;
const ImVec2 labelSize = ImGui::CalcTextSize(label, NULL, true);
ImVec2 buttonMin = ImGui::GetCursorScreenPos();
ImVec2 buttonSize = size;
if (buttonSize.x <= 0.f) buttonSize.x = labelSize.x + style.FramePadding.x * 2.0f;
if (buttonSize.y <= 0.f) buttonSize.y = labelSize.y + style.FramePadding.y * 2.0f;
float baseLineOffset = ImGui::GetCurrentWindowRead()->DC.CurrLineTextBaseOffset;
if (smallButton && style.FramePadding.y < baseLineOffset) buttonMin.y += baseLineOffset - style.FramePadding.y;
bool result = ImGui::InvisibleButton(label, buttonSize);
bool held = ImGui::IsItemActive();
bool hovered = ImGui::IsItemHovered();
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
float maxOffset = std::fmaxf(shadowSize - 1.f, 0.f);
ImVec2 offset = held ? ImVec2{ maxOffset, maxOffset } : ImVec2{ 0.f, 0.f };
ImVec2 rectMin = buttonMin + offset;
ImVec2 rectMax = buttonMin + buttonSize + offset;
ImGui::RenderFrame(rectMin, rectMax, col, true, style.FrameRounding);
ImGui::RenderTextClipped(rectMin, rectMax, label, NULL, &labelSize, style.ButtonTextAlign);
renderDropShadow(held ? 1.f : shadowSize, rectMin, rectMax, ImGui::GetStyle().Colors[DEFAULT_DROP_SHADOW_COLOR_ID]);
style.FramePadding = backupPadding;
return result;
}
bool checkboxWithDropShadow(const char* label, bool* v, const float shadowSize)
{
ImGuiStyle& style = ImGui::GetStyle();
float oldSpacingX = style.ItemInnerSpacing.x;
style.ItemInnerSpacing.x += shadowSize;
bool result = ImGui::Checkbox(label, v);
style.ItemInnerSpacing.x = oldSpacingX;
ImVec2 lastMin = ImGui::GetItemRectMin();
renderDropShadow(shadowSize, lastMin, lastMin + ImVec2{ ImGui::GetFrameHeight(), ImGui::GetFrameHeight() }, ImGui::GetStyle().Colors[DEFAULT_DROP_SHADOW_COLOR_ID]);
return result;
}
ImVec2 operator +(const ImVec2& a, const ImVec2& b) { return ImVec2{ a.x + b.x, a.y + b.y }; }
ImVec2 operator +(const ImVec2& a, const float s) { return ImVec2{ a.x + s, a.y + s }; }
ImVec2 operator -(const ImVec2& a, const ImVec2& b) { return ImVec2{ a.x - b.x, a.y - b.y }; }
ImVec2 operator -(const ImVec2& a, const float s) { return ImVec2{ a.x - s, a.y - s }; }
ImVec2 operator *(const ImVec2& a, float s) { return ImVec2{ a.x * s, a.y * s }; }
ImVec2 operator /(const ImVec2& a, float s) { return ImVec2{ a.x / s, a.y / s }; }