anulax
/
imgui-docking
1
0
Fork 0
Code Issues Pull Requests Packages project_board Releases Wiki Activity

RangeSelect/MultiSelect: Demo: Added pointer indirection and indent level.

Browse Source 
This is to reduce noise for upcoming commits, ahead of adding a loop here.
features/range_select
ocornut ago%!(EXTRA string=2 years)
parent b08f438669
commit e401194989
1 changed files with 104 additions and 95 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 199
      imgui_demo.cpp

199
imgui_demo.cpp
Unescape View File

@ -2886,9 +2886,10 @@ static void ShowDemoWindowMultiSelect()
if (ImGui::TreeNode("Multiple Selection (full, advanced)"))
{
// Demonstrate holding/updating multi-selection data and using the BeginMultiSelect/EndMultiSelect API to support range-selection and clipping.
static ExampleSelection selection;
static ExampleSelection selections_data[1];
ExampleSelection* selection = &selections_data[0];
// Test both Selectable() and TreeNode() widgets
// Options
enum WidgetType { WidgetType_Selectable, WidgetType_TreeNode };
static bool use_table = false;
static bool use_drag_drop = true;
@ -2899,103 +2900,124 @@ static void ShowDemoWindowMultiSelect()
ImGui::Checkbox("Use table", &use_table);
ImGui::Checkbox("Use drag & drop", &use_drag_drop);
ImGui::Text("Selection size: %d", selection.GetSelectionSize());
// Open a scrolling region
const int ITEMS_COUNT = 1000;
if (ImGui::BeginListBox("##Basket", ImVec2(-FLT_MIN, ImGui::GetFontSize() * 20)))
// (spare brace to add a loop here later)
{
ImVec2 color_button_sz(ImGui::GetFontSize(), ImGui::GetFontSize());
if (widget_type == WidgetType_TreeNode)
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, 0.0f));
ImGuiMultiSelectData* multi_select_data = ImGui::BeginMultiSelect(ImGuiMultiSelectFlags_None, (void*)(intptr_t)selection.RangeRef, selection.GetSelected(selection.RangeRef));
if (multi_select_data->RequestClear) { selection.Clear(); }
if (multi_select_data->RequestSelectAll) { selection.SelectAll(ITEMS_COUNT); }
ImGui::Text("Selection size: %d", selection->GetSelectionSize());
if (use_table)
// Open a scrolling region
const int ITEMS_COUNT = 1000;
if (ImGui::BeginListBox("##Basket", ImVec2(-FLT_MIN, ImGui::GetFontSize() * 20)))
{
ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2(0.0f, 0.0f));
ImGui::BeginTable("##Split", 2, ImGuiTableFlags_Resizable | ImGuiTableFlags_NoSavedSettings | ImGuiTableFlags_NoPadOuterX);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 0.70f);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 0.30f);
//ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, 0.0f));
}
ImVec2 color_button_sz(ImGui::GetFontSize(), ImGui::GetFontSize());
if (widget_type == WidgetType_TreeNode)
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, 0.0f));
ImGuiListClipper clipper;
clipper.Begin(ITEMS_COUNT);
while (clipper.Step())
{
// IF clipping is used you need to set 'RangeSrcPassedBy = true' if RangeRef was passed over.
if (clipper.DisplayStart > selection.RangeRef)
multi_select_data->RangeSrcPassedBy = true;
ImGuiMultiSelectData* multi_select_data = ImGui::BeginMultiSelect(ImGuiMultiSelectFlags_None, (void*)(intptr_t)selection->RangeRef, selection->GetSelected(selection->RangeRef));
if (multi_select_data->RequestClear) { selection->Clear(); }
if (multi_select_data->RequestSelectAll) { selection->SelectAll(ITEMS_COUNT); }
for (int n = clipper.DisplayStart; n < clipper.DisplayEnd; n++)
if (use_table)
{
if (use_table)
ImGui::TableNextColumn();
ImGui::PushID(n);
const char* category = random_names[n % IM_ARRAYSIZE(random_names)];
char label[64];
sprintf(label, "Object %05d (category: %s)", n, category);
bool item_is_selected = selection.GetSelected(n);
// Emit a color button, to test that Shift+LeftArrow landing on an item that is not part
// of the selection scope doesn't erroneously alter our selection (FIXME-TESTS: Add a test for that!).
ImU32 dummy_col = (ImU32)((unsigned int)n * 0xC250B74B) | IM_COL32_A_MASK;
ImGui::ColorButton("##", ImColor(dummy_col), ImGuiColorEditFlags_NoTooltip, color_button_sz);
ImGui::SameLine();
ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2(0.0f, 0.0f));
ImGui::BeginTable("##Split", 2, ImGuiTableFlags_Resizable | ImGuiTableFlags_NoSavedSettings | ImGuiTableFlags_NoPadOuterX);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 0.70f);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 0.30f);
//ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, 0.0f));
}
ImGui::SetNextItemSelectionUserData(n);
if (widget_type == WidgetType_Selectable)
ImGuiListClipper clipper;
clipper.Begin(ITEMS_COUNT);
while (clipper.Step())
{
// IF clipping is used you need to set 'RangeSrcPassedBy = true' if RangeRef was passed over.
if (clipper.DisplayStart > selection->RangeRef)
multi_select_data->RangeSrcPassedBy = true;
for (int n = clipper.DisplayStart; n < clipper.DisplayEnd; n++)
{
ImGui::Selectable(label, item_is_selected);
if (ImGui::IsItemToggledSelection())
selection.SetSelected(n, !item_is_selected);
if (use_drag_drop && ImGui::BeginDragDropSource())
if (use_table)
ImGui::TableNextColumn();
ImGui::PushID(n);
const char* category = random_names[n % IM_ARRAYSIZE(random_names)];
char label[64];
sprintf(label, "Object %05d (category: %s)", n, category);
bool item_is_selected = selection->GetSelected(n);
// Emit a color button, to test that Shift+LeftArrow landing on an item that is not part
// of the selection scope doesn't erroneously alter our selection (FIXME-TESTS: Add a test for that!).
ImU32 dummy_col = (ImU32)((unsigned int)n * 0xC250B74B) | IM_COL32_A_MASK;
ImGui::ColorButton("##", ImColor(dummy_col), ImGuiColorEditFlags_NoTooltip, color_button_sz);
ImGui::SameLine();
ImGui::SetNextItemSelectionUserData(n);
if (widget_type == WidgetType_Selectable)
{
ImGui::Text("(Dragging %d items)", selection.GetSelectionSize());
ImGui::EndDragDropSource();
ImGui::Selectable(label, item_is_selected);
if (ImGui::IsItemToggledSelection())
selection->SetSelected(n, !item_is_selected);
if (use_drag_drop && ImGui::BeginDragDropSource())
{
ImGui::Text("(Dragging %d items)", selection->GetSelectionSize());
ImGui::EndDragDropSource();
}
}
}
else if (widget_type == WidgetType_TreeNode)
{
ImGuiTreeNodeFlags tree_node_flags = ImGuiTreeNodeFlags_SpanAvailWidth;
tree_node_flags |= ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
if (item_is_selected)
tree_node_flags |= ImGuiTreeNodeFlags_Selected;
bool open = ImGui::TreeNodeEx(label, tree_node_flags);
if (ImGui::IsItemToggledSelection())
selection.SetSelected(n, !item_is_selected);
if (use_drag_drop && ImGui::BeginDragDropSource())
else if (widget_type == WidgetType_TreeNode)
{
ImGui::Text("(Dragging %d items)", selection.GetSelectionSize());
ImGui::EndDragDropSource();
ImGuiTreeNodeFlags tree_node_flags = ImGuiTreeNodeFlags_SpanAvailWidth;
tree_node_flags |= ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
if (item_is_selected)
tree_node_flags |= ImGuiTreeNodeFlags_Selected;
bool open = ImGui::TreeNodeEx(label, tree_node_flags);
if (ImGui::IsItemToggledSelection())
selection->SetSelected(n, !item_is_selected);
if (use_drag_drop && ImGui::BeginDragDropSource())
{
ImGui::Text("(Dragging %d items)", selection->GetSelectionSize());
ImGui::EndDragDropSource();
}
if (open)
ImGui::TreePop();
}
if (open)
ImGui::TreePop();
}
// Right-click: context menu
if (ImGui::BeginPopupContextItem())
{
ImGui::Text("(Testing Selectable inside an embedded popup)");
ImGui::Selectable("Close");
ImGui::EndPopup();
}
// Right-click: context menu
if (ImGui::BeginPopupContextItem())
{
ImGui::Text("(Testing Selectable inside an embedded popup)");
ImGui::Selectable("Close");
ImGui::EndPopup();
}
if (use_table)
{
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(-FLT_MIN);
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
ImGui::InputText("###NoLabel", (char*)(void*)category, strlen(category), ImGuiInputTextFlags_ReadOnly);
ImGui::PopStyleVar();
if (use_table)
{
ImGui::TableNextColumn();
ImGui::SetNextItemWidth(-FLT_MIN);
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
ImGui::InputText("###NoLabel", (char*)(void*)category, strlen(category), ImGuiInputTextFlags_ReadOnly);
ImGui::PopStyleVar();
}
ImGui::PopID();
}
}
ImGui::PopID();
if (use_table)
{
ImGui::EndTable();
ImGui::PopStyleVar();
}
// Apply multi-select requests
multi_select_data = ImGui::EndMultiSelect();
selection->RangeRef = (int)(intptr_t)multi_select_data->RangeSrc;
if (multi_select_data->RequestClear) { selection->Clear(); }
if (multi_select_data->RequestSelectAll) { selection->SelectAll(ITEMS_COUNT); }
if (multi_select_data->RequestSetRange) { selection->SetRange((int)(intptr_t)multi_select_data->RangeSrc, (int)(intptr_t)multi_select_data->RangeDst, multi_select_data->RangeValue ? 1 : 0); }
if (widget_type == WidgetType_TreeNode)
ImGui::PopStyleVar();
ImGui::EndListBox();
}
if (use_table)
@ -3003,20 +3025,7 @@ static void ShowDemoWindowMultiSelect()
ImGui::EndTable();
ImGui::PopStyleVar();
}
// Apply multi-select requests
multi_select_data = ImGui::EndMultiSelect();
selection.RangeRef = (int)(intptr_t)multi_select_data->RangeSrc;
if (multi_select_data->RequestClear) { selection.Clear(); }
if (multi_select_data->RequestSelectAll) { selection.SelectAll(ITEMS_COUNT); }
if (multi_select_data->RequestSetRange) { selection.SetRange((int)(intptr_t)multi_select_data->RangeSrc, (int)(intptr_t)multi_select_data->RangeDst, multi_select_data->RangeValue ? 1 : 0); }
if (widget_type == WidgetType_TreeNode)
ImGui::PopStyleVar();
ImGui::EndListBox();
}
ImGui::TreePop();
}
ImGui::TreePop();

Write Preview
Loading…
Cancel
Save