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MultiSelect: (Breaking) Renamed 'RangeValue' -> 'RangeSelected' + amend comments.

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ocornut 2023-06-02 16:19:24 +02:00
parent a83326bc52
commit ccf43d6a96
3 changed files with 19 additions and 17 deletions
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17
imgui.h
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@ -2782,16 +2782,17 @@ enum ImGuiMultiSelectFlags_
struct ImGuiMultiSelectIO
{
// - Always process requests in this order: Clear, SelectAll, SetRange.
// - Below: who reads/writes each fields? 'r'=read, 'w'=write, 'ms'=multi-select code, 'app'=application/user code.
// // BEGIN / LOOP / END
bool RequestClear; // ms:w, app:r / / ms:w, app:r // 1. Request user to clear selection (processed by app code)
bool RequestSelectAll; // ms:w, app:r / / ms:w, app:r // 2. Request user to select all (processed by app code)
bool RequestSetRange; // / / ms:w, app:r // 3. Request user to alter selection in the [RangeSrcItem..RangeDstItem] range using RangeValue. In practice, only EndMultiSelect() request this, app code can read after BeginMultiSelect() and it will always be false.
void* RangeSrcItem; // ms:w / app:r / ms:w, app:r // Begin: Last known SetNextItemSelectionData() value for RangeSrcItem value. End: parameter from RequestSetRange request.
// - Below: who reads/writes each fields? 'r'=read, 'w'=write, 'ms'=multi-select code, 'app'=application/user code, 'BEGIN'=BeginMultiSelect() and after, 'END'=EndMultiSelect() and after.
// REQUESTS ----------------// BEGIN / LOOP / END
bool RequestClear; // ms:w, app:r / / ms:w, app:r // 1. Request app/user to clear selection.
bool RequestSelectAll; // ms:w, app:r / / ms:w, app:r // 2. Request app/user to select all.
bool RequestSetRange; // / / ms:w, app:r // 3. Request app/user to select/unselect [RangeSrcItem..RangeDstItem] items, based on RangeSelected. In practice, only EndMultiSelect() request this, app code can read after BeginMultiSelect() and it will always be false.
// STATE/ARGUMENTS ---------// BEGIN / LOOP / END
void* RangeSrcItem; // ms:w / app:r / ms:w, app:r // Begin: Last known SetNextItemSelectionData() value for RangeSrcItem. End: parameter from RequestSetRange request.
void* RangeDstItem; // / / ms:w, app:r // End: parameter from RequestSetRange request.
ImS8 RangeDirection; // / / ms:w, app:r // End: parameter from RequestSetRange request. +1 if RangeSrcItem came before RangeDstItem, -1 otherwise. Available as an indicator in case you cannot infer order from the void* values. If your void* values are storing indices you will never need this.
bool RangeValue; // / / ms:w, app:r // End: parameter from RequestSetRange request. true = Select Range, false = Unselect Range.
bool RangeSrcPassedBy; // / ms:rw app:w / ms:r // (If using a clipper) Need to be set by user if RangeSrcItem was part of the clipped set before submitting the visible items. Ignore if not clipping.
bool RangeSelected; // / / ms:w, app:r // End: parameter from RequestSetRange request. true = Select Range, false = Unselect Range.
bool RangeSrcPassedBy; // / ms:rw app:w / ms:r // (If using clipper) Need to be set by app/user if RangeSrcItem was part of the clipped set before submitting the visible items. Ignore if not clipping.
ImGuiMultiSelectIO() { Clear(); }
void Clear() { memset(this, 0, sizeof(*this)); }

3
imgui_demo.cpp
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@ -605,6 +605,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::End();
}
static void ShowDemoWindowWidgets()
{
IMGUI_DEMO_MARKER("Widgets");
@ -2804,7 +2805,7 @@ struct ExampleSelection
{
if (ms_io->RequestClear) { Clear(); }
if (ms_io->RequestSelectAll) { SelectAll(items_count); }
if (ms_io->RequestSetRange) { SetRange((int)(intptr_t)ms_io->RangeSrcItem, (int)(intptr_t)ms_io->RangeDstItem, ms_io->RangeValue ? 1 : 0); }
if (ms_io->RequestSetRange) { SetRange((int)(intptr_t)ms_io->RangeSrcItem, (int)(intptr_t)ms_io->RangeDstItem, ms_io->RangeSelected ? 1 : 0); }
}
};

16
imgui_widgets.cpp
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@ -7128,7 +7128,7 @@ static void DebugLogMultiSelectRequests(const char* function, const ImGuiMultiSe
ImGuiContext& g = *GImGui;
if (data->RequestClear) IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestClear\n", function);
if (data->RequestSelectAll) IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSelectAll\n", function);
if (data->RequestSetRange) IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSetRange %p..%p = %d (dir %+d)\n", function, data->RangeSrcItem, data->RangeDstItem, data->RangeValue, data->RangeDirection);
if (data->RequestSetRange) IMGUI_DEBUG_LOG_SELECTION("[selection] %s: RequestSetRange %p..%p = %d (dir %+d)\n", function, data->RangeSrcItem, data->RangeDstItem, data->RangeSelected, data->RangeDirection);
}
ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, void* range_ref, bool range_ref_is_selected)
@ -7153,7 +7153,7 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, void* r
if ((flags & ImGuiMultiSelectFlags_NoMultiSelect) == 0)
{
ms->BeginIO.RangeSrcItem = ms->EndIO.RangeSrcItem = range_ref;
ms->BeginIO.RangeValue = ms->EndIO.RangeValue = range_ref_is_selected;
ms->BeginIO.RangeSelected = ms->EndIO.RangeSelected = range_ref_is_selected;
}
// Auto clear when using Navigation to move within the selection (we compare SelectScopeId so it possible to use multiple lists inside a same window)
@ -7202,7 +7202,7 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
// Unwind
if (ms->Flags & ImGuiMultiSelectFlags_NoUnselect)
ms->EndIO.RangeValue = true;
ms->EndIO.RangeSelected = true;
ms->FocusScopeId = 0;
ms->Window = NULL;
ms->Flags = ImGuiMultiSelectFlags_None;
@ -7264,7 +7264,7 @@ void ImGui::MultiSelectItemHeader(ImGuiID id, bool* p_selected)
if (is_range_dst)
ms->RangeDstPassedBy = true;
if (is_range_src || is_range_dst || ms->BeginIO.RangeSrcPassedBy != ms->RangeDstPassedBy)
selected = ms->BeginIO.RangeValue;
selected = ms->BeginIO.RangeSelected;
else if ((ms->KeyMods & ImGuiMod_Ctrl) == 0)
selected = false;
}
@ -7334,7 +7334,7 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
ms->EndIO.RequestSetRange = true;
ms->EndIO.RangeDstItem = item_data;
if (!is_ctrl)
ms->EndIO.RangeValue = true;
ms->EndIO.RangeSelected = true;
ms->EndIO.RangeDirection = ms->BeginIO.RangeSrcPassedBy ? +1 : -1;
}
else
@ -7342,7 +7342,7 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
// Ctrl inverts selection, otherwise always select
selected = (is_ctrl && (ms->Flags & ImGuiMultiSelectFlags_NoUnselect) == 0) ? !selected : true;
ms->EndIO.RangeSrcItem = ms->EndIO.RangeDstItem = item_data;
ms->EndIO.RangeValue = selected;
ms->EndIO.RangeSelected = selected;
}
if (input_source == ImGuiInputSource_Mouse || g.NavActivateId == id)
@ -7355,7 +7355,7 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
// For toggle selection unless there is a Clear request, we can handle it completely locally without sending a RangeSet request.
IM_ASSERT(ms->EndIO.RangeSrcItem == ms->EndIO.RangeDstItem); // Setup by else block above
ms->EndIO.RequestSetRange = true;
ms->EndIO.RangeValue = selected;
ms->EndIO.RangeSelected = selected;
ms->EndIO.RangeDirection = +1;
}
if (!is_multiselect)
@ -7377,7 +7377,7 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
// Update/store the selection state of the Source item (used by CTRL+SHIFT, when Source is unselected we perform a range unselect)
if (ms->EndIO.RangeSrcItem == item_data && is_ctrl && is_shift && is_multiselect && !(ms->Flags & ImGuiMultiSelectFlags_NoUnselect))
ms->EndIO.RangeValue = selected;
ms->EndIO.RangeSelected = selected;
*p_selected = selected;
*p_pressed = pressed;