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Demo: Improved Selectable() examples. (#1528)

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This commit is contained in:
omar
2018-01-03 15:11:14 +01:00
parent 33f7769d85
commit 9fbecac87e
2 changed files with 45 additions and 11 deletions
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52
imgui_demo.cpp
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@ -609,24 +609,58 @@ void ImGui::ShowDemoWindow(bool* p_open)
if (ImGui::TreeNode("Selectables"))
{
// Selectable() has 2 overloads:
// - The one taking "bool selected" as a read-only selection information. When Selectable() has been clicked is returns true and you can alter selection state accordingly.
// - The one taking "bool* p_selected" as a read-write selection information (convenient in some cases)
// The earlier is more flexible, as in real application your selection may be stored in a different manner (in flags within objects, as an external list, etc).
if (ImGui::TreeNode("Basic"))
{
static bool selected[4] = { false, true, false, false };
ImGui::Selectable("1. I am selectable", &selected[0]);
ImGui::Selectable("2. I am selectable", &selected[1]);
static bool selection[5] = { false, true, false, false, false };
ImGui::Selectable("1. I am selectable", &selection[0]);
ImGui::Selectable("2. I am selectable", &selection[1]);
ImGui::Text("3. I am not selectable");
ImGui::Selectable("4. I am selectable", &selected[2]);
if (ImGui::Selectable("5. I am double clickable", selected[3], ImGuiSelectableFlags_AllowDoubleClick))
ImGui::Selectable("4. I am selectable", &selection[3]);
if (ImGui::Selectable("5. I am double clickable", selection[4], ImGuiSelectableFlags_AllowDoubleClick))
if (ImGui::IsMouseDoubleClicked(0))
selected[3] = !selected[3];
selection[4] = !selection[4];
ImGui::TreePop();
}
if (ImGui::TreeNode("Rendering more text into the same block"))
if (ImGui::TreeNode("Selection State: Single Selection"))
{
static int selected = -1;
for (int n = 0; n < 5; n++)
{
char buf[32];
sprintf(buf, "Object %d", n);
if (ImGui::Selectable(buf, selected == n))
selected = n;
}
ImGui::TreePop();
}
if (ImGui::TreeNode("Selection State: Multiple Selection"))
{
ShowHelpMarker("Hold CTRL and click to select multiple items.");
static bool selection[5] = { false, false, false, false, false };
for (int n = 0; n < 5; n++)
{
char buf[32];
sprintf(buf, "Object %d", n);
if (ImGui::Selectable(buf, selection[n]))
{
if (!ImGui::GetIO().KeyCtrl) // Clear selection when CTRL is not held
memset(selection, 0, sizeof(selection));
selection[n] ^= 1;
}
}
ImGui::TreePop();
}
if (ImGui::TreeNode("Rendering more text into the same line"))
{
// Using the Selectable() override that takes "bool* p_selected" parameter and toggle your booleans automatically.
static bool selected[3] = { false, false, false };
ImGui::Selectable("main.c", &selected[0]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::Selectable("main.c", &selected[0]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::Selectable("Hello.cpp", &selected[1]); ImGui::SameLine(300); ImGui::Text("12,345 bytes");
ImGui::Selectable("Hello.h", &selected[2]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::Selectable("Hello.h", &selected[2]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes");
ImGui::TreePop();
}
if (ImGui::TreeNode("In columns"))