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Internals/experimental: BeginComboPreview(), EndComboPreview(). (#4168, #1658)

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(amended)
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ocornut
2021-06-15 15:16:39 +02:00
parent 98a6292165
commit 0cca0d1617
6 changed files with 101 additions and 3 deletions
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22
imgui_internal.h
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@ -808,6 +808,12 @@ enum ImGuiButtonFlagsPrivate_
ImGuiButtonFlags_PressedOnDefault_ = ImGuiButtonFlags_PressedOnClickRelease
};
// Extend ImGuiComboFlags_
enum ImGuiComboFlagsPrivate_
{
ImGuiComboFlags_CustomPreview = 1 << 20 // enable BeginComboPreview()
};
// Extend ImGuiSliderFlags_
enum ImGuiSliderFlagsPrivate_
{
@ -996,6 +1002,19 @@ struct ImGuiStyleMod
ImGuiStyleMod(ImGuiStyleVar idx, ImVec2 v) { VarIdx = idx; BackupFloat[0] = v.x; BackupFloat[1] = v.y; }
};
// Storage data for BeginComboPreview()/EndComboPreview()
struct IMGUI_API ImGuiComboPreviewData
{
ImRect PreviewRect;
ImVec2 BackupCursorPos;
ImVec2 BackupCursorMaxPos;
ImVec2 BackupCursorPosPrevLine;
float BackupPrevLineTextBaseOffset;
ImGuiLayoutType BackupLayout;
ImGuiComboPreviewData() { memset(this, 0, sizeof(*this)); }
};
// Stacked storage data for BeginGroup()/EndGroup()
struct IMGUI_API ImGuiGroupData
{
@ -1552,6 +1571,7 @@ struct ImGuiContext
float ColorEditLastSat; // Backup of last Saturation associated to LastColor[3], so we can restore Saturation in lossy RGB<>HSV round trips
float ColorEditLastColor[3];
ImVec4 ColorPickerRef; // Initial/reference color at the time of opening the color picker.
ImGuiComboPreviewData ComboPreviewData;
float SliderCurrentAccum; // Accumulated slider delta when using navigation controls.
bool SliderCurrentAccumDirty; // Has the accumulated slider delta changed since last time we tried to apply it?
bool DragCurrentAccumDirty;
@ -2416,6 +2436,8 @@ namespace ImGui
// Combos
IMGUI_API bool BeginComboPopup(ImGuiID popup_id, const ImRect& bb, ImGuiComboFlags flags);
IMGUI_API bool BeginComboPreview();
IMGUI_API void EndComboPreview();
// Gamepad/Keyboard Navigation
IMGUI_API void NavInitWindow(ImGuiWindow* window, bool force_reinit);