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Refactored CloseWindowButton() into a CloseButton() helper declared in imgui_internal.h (#600)

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ocornut 2016-04-21 09:55:02 +02:00
parent 559963e832
commit 7ce6c18bbe
2 changed files with 11 additions and 11 deletions
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21
imgui.cpp
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@ -633,7 +633,6 @@ static inline bool IsWindowContentHoverable(ImGuiWindow* window);
static void ClearSetNextWindowData();
static void CheckStacksSize(ImGuiWindow* window, bool write);
static void Scrollbar(ImGuiWindow* window, bool horizontal);
static bool CloseWindowButton(bool* p_opened);
static void AddDrawListToRenderList(ImVector<ImDrawList*>& out_render_list, ImDrawList* draw_list);
static void AddWindowToRenderList(ImVector<ImDrawList*>& out_render_list, ImGuiWindow* window);
@ -4082,7 +4081,12 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
if (!(flags & ImGuiWindowFlags_NoTitleBar))
{
if (p_opened != NULL)
CloseWindowButton(p_opened);
{
const float pad = 2.0f;
const float rad = (window->TitleBarHeight() - pad*2.0f) * 0.5f;
if (CloseButton(window->GetID("#CLOSE"), window->Rect().GetTR() + ImVec2(-pad - rad, pad + rad), rad))
*p_opened = false;
}
const ImVec2 text_size = CalcTextSize(name, NULL, true);
if (!(flags & ImGuiWindowFlags_NoCollapse))
@ -5389,13 +5393,11 @@ bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg)
}
// Upper-right button to close a window.
static bool CloseWindowButton(bool* p_opened)
bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos, float radius)
{
ImGuiWindow* window = ImGui::GetCurrentWindow();
const ImGuiID id = window->GetID("#CLOSE");
const float size = window->TitleBarHeight() - 4.0f;
const ImRect bb(window->Rect().GetTR() + ImVec2(-2.0f-size,2.0f), window->Rect().GetTR() + ImVec2(-2.0f,2.0f+size));
const ImRect bb(pos - ImVec2(radius,radius), pos + ImVec2(radius,radius));
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(bb, id, &hovered, &held);
@ -5403,18 +5405,15 @@ static bool CloseWindowButton(bool* p_opened)
// Render
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_CloseButtonActive : hovered ? ImGuiCol_CloseButtonHovered : ImGuiCol_CloseButton);
const ImVec2 center = bb.GetCenter();
window->DrawList->AddCircleFilled(center, ImMax(2.0f,size*0.5f), col, 16);
window->DrawList->AddCircleFilled(center, ImMax(2.0f, radius), col, 12);
const float cross_extent = (size * 0.5f * 0.7071f) - 1.0f;
const float cross_extent = (radius * 0.7071f) - 1.0f;
if (hovered)
{
window->DrawList->AddLine(center + ImVec2(+cross_extent,+cross_extent), center + ImVec2(-cross_extent,-cross_extent), ImGui::GetColorU32(ImGuiCol_Text));
window->DrawList->AddLine(center + ImVec2(+cross_extent,-cross_extent), center + ImVec2(-cross_extent,+cross_extent), ImGui::GetColorU32(ImGuiCol_Text));
}
if (p_opened != NULL && pressed)
*p_opened = false;
return pressed;
}

1
imgui_internal.h
View File

@ -716,6 +716,7 @@ namespace ImGui
IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0);
IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0);
IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos, float radius);
IMGUI_API bool SliderBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v_min, float v_max, float power, int decimal_precision, ImGuiSliderFlags flags = 0);
IMGUI_API bool SliderFloatN(const char* label, float* v, int components, float v_min, float v_max, const char* display_format, float power);