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Selectable: added ImGuiSelectableFlags_Highlight flag to highlight items independently from the hovered state. (#7820)

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Demo: Make the Widget/List boxes show how to use forced highlighting.
This commit is contained in:
Rémi Hérilier 2024-07-26 13:19:22 +02:00 • committed by ocornut
parent 96460a8a12
commit c7b9256097
4 changed files with 28 additions and 15 deletions
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33
imgui_demo.cpp
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@ -1357,18 +1357,18 @@ static void ShowDemoWindowWidgets(DemoWindowData* demo_data)
// (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively
// stored in the object itself, etc.)
const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" };
static int item_current_idx = 0; // Here we store our selection data as an index.
static int item_selected_idx = 0; // Here we store our selection data as an index.
// Pass in the preview value visible before opening the combo (it could technically be different contents or not pulled from items[])
const char* combo_preview_value = items[item_current_idx];
const char* combo_preview_value = items[item_selected_idx];
if (ImGui::BeginCombo("combo 1", combo_preview_value, flags))
{
for (int n = 0; n < IM_ARRAYSIZE(items); n++)
{
const bool is_selected = (item_current_idx == n);
const bool is_selected = (item_selected_idx == n);
if (ImGui::Selectable(items[n], is_selected))
item_current_idx = n;
item_selected_idx = n;
// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
if (is_selected)
@ -1410,14 +1410,22 @@ static void ShowDemoWindowWidgets(DemoWindowData* demo_data)
// (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively
// stored in the object itself, etc.)
const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" };
static int item_current_idx = 0; // Here we store our selection data as an index.
static int item_selected_idx = 0; // Here we store our selected data as an index.
static bool item_highlight = false;
int item_highlighted_idx = -1; // Here we store our highlighted data as an index.
ImGui::Checkbox("Highlight hovered item in second listbox", &item_highlight);
if (ImGui::BeginListBox("listbox 1"))
{
for (int n = 0; n < IM_ARRAYSIZE(items); n++)
{
const bool is_selected = (item_current_idx == n);
const bool is_selected = (item_selected_idx == n);
if (ImGui::Selectable(items[n], is_selected))
item_current_idx = n;
item_selected_idx = n;
if (item_highlight && ImGui::IsItemHovered())
item_highlighted_idx = n;
// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
if (is_selected)
@ -1433,9 +1441,10 @@ static void ShowDemoWindowWidgets(DemoWindowData* demo_data)
{
for (int n = 0; n < IM_ARRAYSIZE(items); n++)
{
const bool is_selected = (item_current_idx == n);
if (ImGui::Selectable(items[n], is_selected))
item_current_idx = n;
bool is_selected = (item_selected_idx == n);
ImGuiSelectableFlags flags = (item_highlighted_idx == n) ? ImGuiSelectableFlags_Highlight : 0;
if (ImGui::Selectable(items[n], is_selected, flags))
item_selected_idx = n;
// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
if (is_selected)
@ -1482,8 +1491,8 @@ static void ShowDemoWindowWidgets(DemoWindowData* demo_data)
ImGui::TreePop();
}
IMGUI_DEMO_MARKER("Widgets/Selectables/In columns");
if (ImGui::TreeNode("In columns"))
IMGUI_DEMO_MARKER("Widgets/Selectables/In Tables");
if (ImGui::TreeNode("In Tables"))
{
static bool selected[10] = {};