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Combo: Removed ImGuiWindowFlags_ComboBox flag. Moved internal window flags.

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This commit is contained in:
omar
2017-12-08 18:32:12 +01:00
parent 457011660e
commit c9f0275e22
3 changed files with 21 additions and 17 deletions
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25
imgui.cpp
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@@ -656,7 +656,6 @@ static ImRect GetVisibleRect();
static void CloseInactivePopups(ImGuiWindow* ref_window);
static void ClosePopupToLevel(int remaining);
static ImGuiWindow* GetFrontMostModalRootWindow();
static ImVec2 FindBestWindowPosForPopup(const ImVec2& base_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& rect_to_avoid);
static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data);
static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
@@ -4025,7 +4024,13 @@ static void CheckStacksSize(ImGuiWindow* window, bool write)
IM_ASSERT(p_backup == window->DC.StackSizesBackup + IM_ARRAYSIZE(window->DC.StackSizesBackup));
}
static ImVec2 FindBestWindowPosForPopup(const ImVec2& base_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_avoid, ImGuiWindowFlags flags)
enum ImGuiPopupPositionPolicy
{
ImGuiPopupPositionPolicy_Default,
ImGuiPopupPositionPolicy_ComboBox
};
static ImVec2 FindBestWindowPosForPopup(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy = ImGuiPopupPositionPolicy_Default)
{
const ImGuiStyle& style = GImGui->Style;
@@ -4034,12 +4039,12 @@ static ImVec2 FindBestWindowPosForPopup(const ImVec2& base_pos, const ImVec2& si
ImVec2 safe_padding = style.DisplaySafeAreaPadding;
ImRect r_outer(GetVisibleRect());
r_outer.Expand(ImVec2((size.x - r_outer.GetWidth() > safe_padding.x*2) ? -safe_padding.x : 0.0f, (size.y - r_outer.GetHeight() > safe_padding.y*2) ? -safe_padding.y : 0.0f));
ImVec2 base_pos_clamped = ImClamp(base_pos, r_outer.Min, r_outer.Max - size);
ImVec2 base_pos_clamped = ImClamp(ref_pos, r_outer.Min, r_outer.Max - size);
//GImGui->OverlayDrawList.AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255,0,0,255));
//GImGui->OverlayDrawList.AddRect(r_outer.Min, r_outer.Max, IM_COL32(0,255,0,255));
// Combo Box policy (we want a connecting edge)
if (flags & ImGuiWindowFlags_ComboBox)
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++)
@@ -4079,7 +4084,7 @@ static ImVec2 FindBestWindowPosForPopup(const ImVec2& base_pos, const ImVec2& si
// Fallback, try to keep within display
*last_dir = ImGuiDir_None;
ImVec2 pos = base_pos;
ImVec2 pos = ref_pos;
pos.x = ImMax(ImMin(pos.x + size.x, r_outer.Max.x) - size.x, r_outer.Min.x);
pos.y = ImMax(ImMin(pos.y + size.y, r_outer.Max.y) - size.y, r_outer.Min.y);
return pos;
@@ -4559,12 +4564,12 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
rect_to_avoid = ImRect(-FLT_MAX, parent_window->Pos.y + parent_window->TitleBarHeight(), FLT_MAX, parent_window->Pos.y + parent_window->TitleBarHeight() + parent_window->MenuBarHeight());
else
rect_to_avoid = ImRect(parent_window->Pos.x + horizontal_overlap, -FLT_MAX, parent_window->Pos.x + parent_window->Size.x - horizontal_overlap - parent_window->ScrollbarSizes.x, FLT_MAX);
window->PosFloat = FindBestWindowPosForPopup(window->PosFloat, window->Size, &window->AutoPosLastDirection, rect_to_avoid, flags);
window->PosFloat = FindBestWindowPosForPopup(window->PosFloat, window->Size, &window->AutoPosLastDirection, rect_to_avoid);
}
else if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api && window_just_appearing_after_hidden_for_resize)
{
ImRect rect_to_avoid(window->PosFloat.x - 1, window->PosFloat.y - 1, window->PosFloat.x + 1, window->PosFloat.y + 1);
window->PosFloat = FindBestWindowPosForPopup(window->PosFloat, window->Size, &window->AutoPosLastDirection, rect_to_avoid, flags);
window->PosFloat = FindBestWindowPosForPopup(window->PosFloat, window->Size, &window->AutoPosLastDirection, rect_to_avoid);
}
// Position tooltip (always follows mouse)
@@ -4572,7 +4577,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
{
ImVec2 ref_pos = g.IO.MousePos;
ImRect rect_to_avoid(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 24, ref_pos.y + 24); // FIXME: Completely hard-coded. Store boxes in mouse cursor data? Scale? Center on cursor hit-point?
window->PosFloat = FindBestWindowPosForPopup(ref_pos, window->Size, &window->AutoPosLastDirection, rect_to_avoid, flags);
window->PosFloat = FindBestWindowPosForPopup(ref_pos, window->Size, &window->AutoPosLastDirection, rect_to_avoid);
if (window->AutoPosLastDirection == ImGuiDir_None)
window->PosFloat = ref_pos + ImVec2(2,2); // If there's not enough room, for tooltip we prefer avoiding the cursor at all cost even if it means that part of the tooltip won't be visible.
}
@@ -9140,11 +9145,11 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
ImVec2 size_expected = CalcSizeAfterConstraint(popup_window, CalcSizeAutoFit(popup_window, size_contents));
if (flags & ImGuiComboFlags_PopupAlignLeft)
popup_window->AutoPosLastDirection = ImGuiDir_Left;
ImVec2 pos = FindBestWindowPosForPopup(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, frame_bb, ImGuiWindowFlags_ComboBox);
ImVec2 pos = FindBestWindowPosForPopup(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, frame_bb, ImGuiPopupPositionPolicy_ComboBox);
SetNextWindowPos(pos);
}
ImGuiWindowFlags window_flags = ImGuiWindowFlags_ComboBox | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_Popup | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings;
ImGuiWindowFlags window_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_Popup | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings;
if (!Begin(name, NULL, window_flags))
{
EndPopup();

11
imgui.h
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@@ -517,12 +517,11 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_ResizeFromAnySide = 1 << 17, // (WIP) Enable resize from any corners and borders. Your back-end needs to honor the different values of io.MouseCursor set by imgui.
// [Internal]
ImGuiWindowFlags_ChildWindow = 1 << 22, // Don't use! For internal use by BeginChild()
ImGuiWindowFlags_ComboBox = 1 << 23, // Don't use! For internal use by ComboBox()
ImGuiWindowFlags_Tooltip = 1 << 24, // Don't use! For internal use by BeginTooltip()
ImGuiWindowFlags_Popup = 1 << 25, // Don't use! For internal use by BeginPopup()
ImGuiWindowFlags_Modal = 1 << 26, // Don't use! For internal use by BeginPopupModal()
ImGuiWindowFlags_ChildMenu = 1 << 27 // Don't use! For internal use by BeginMenu()
ImGuiWindowFlags_ChildWindow = 1 << 24, // Don't use! For internal use by BeginChild()
ImGuiWindowFlags_Tooltip = 1 << 25, // Don't use! For internal use by BeginTooltip()
ImGuiWindowFlags_Popup = 1 << 26, // Don't use! For internal use by BeginPopup()
ImGuiWindowFlags_Modal = 1 << 27, // Don't use! For internal use by BeginPopupModal()
ImGuiWindowFlags_ChildMenu = 1 << 28 // Don't use! For internal use by BeginMenu()
};
// Flags for ImGui::InputText()

2
imgui_demo.cpp
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@@ -318,7 +318,7 @@ void ImGui::ShowTestWindow(bool* p_open)
static int item = 1;
ImGui::Combo("combo", &item, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0"); // Combo using values packed in a single constant string (for really quick combo)
const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK" };
const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO", "PPPP", "QQQQQQQQQQ", "RRR", "SSSS" };
static int item2 = -1;
ImGui::Combo("combo scroll", &item2, items, IM_ARRAYSIZE(items)); // Combo using proper array. You can also pass a callback to retrieve array value, no need to create/copy an array just for that.