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Added ArrowButton(). Exposed ImGuiDir.

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This commit is contained in:
omar
2018-03-03 20:08:03 +01:00
parent 1549c5cf5e
commit 8a4093f38b
5 changed files with 53 additions and 17 deletions
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38
imgui.cpp
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@ -4306,7 +4306,7 @@ void ImGui::RenderArrow(ImVec2 p_min, ImGuiDir dir, float scale)
c = ImVec2(-0.500f,-0.866f) * r;
break;
case ImGuiDir_None:
case ImGuiDir_Count_:
case ImGuiDir_COUNT:
IM_ASSERT(0);
break;
}
@ -5200,8 +5200,8 @@ static ImVec2 FindBestWindowPosForPopup(const ImVec2& ref_pos, const ImVec2& siz
// Combo Box policy (we want a connecting edge)
if (policy == ImGuiPopupPositionPolicy_ComboBox)
{
const ImGuiDir dir_prefered_order[ImGuiDir_Count_] = { ImGuiDir_Down, ImGuiDir_Right, ImGuiDir_Left, ImGuiDir_Up };
for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_Count_; n++)
const ImGuiDir dir_prefered_order[ImGuiDir_COUNT] = { ImGuiDir_Down, ImGuiDir_Right, ImGuiDir_Left, ImGuiDir_Up };
for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_COUNT; n++)
{
const ImGuiDir dir = (n == -1) ? *last_dir : dir_prefered_order[n];
if (n != -1 && dir == *last_dir) // Already tried this direction?
@ -5219,8 +5219,8 @@ static ImVec2 FindBestWindowPosForPopup(const ImVec2& ref_pos, const ImVec2& siz
}
// Default popup policy
const ImGuiDir dir_prefered_order[ImGuiDir_Count_] = { ImGuiDir_Right, ImGuiDir_Down, ImGuiDir_Up, ImGuiDir_Left };
for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_Count_; n++)
const ImGuiDir dir_prefered_order[ImGuiDir_COUNT] = { ImGuiDir_Right, ImGuiDir_Down, ImGuiDir_Up, ImGuiDir_Left };
for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_COUNT; n++)
{
const ImGuiDir dir = (n == -1) ? *last_dir : dir_prefered_order[n];
if (n != -1 && dir == *last_dir) // Already tried this direction?
@ -7663,6 +7663,32 @@ bool ImGui::SmallButton(const char* label)
return pressed;
}
bool ImGui::ArrowButton(const char* str_id, ImGuiDir dir)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiID id = window->GetID(str_id);
float sz = ImGui::GetFrameHeight();
const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(sz, sz));
ItemSize(bb);
if (!ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
// Render
const ImU32 col = GetColorU32((hovered && held) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
RenderNavHighlight(bb, id);
RenderFrame(bb.Min, bb.Max, col, true, g.Style.FrameRounding);
RenderArrow(bb.Min + g.Style.FramePadding, dir);
return pressed;
}
// Tip: use ImGui::PushID()/PopID() to push indices or pointers in the ID stack.
// Then you can keep 'str_id' empty or the same for all your buttons (instead of creating a string based on a non-string id)
bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg)
@ -11734,7 +11760,7 @@ static void RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGui
case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return;
case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return;
case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return;
case ImGuiDir_None: case ImGuiDir_Count_: break; // Fix warnings
case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
}
}