Manipulating window title

examples/test_window.rs

@@ -106,10 +106,16 @@ fn show_user_guide<'a>(frame: &Frame<'a>) {
 }
 
 fn show_test_window<'a>(frame: &Frame<'a>, state: &mut State) -> bool {
+    if state.show_app_metrics {
+        state.show_app_metrics = frame.show_metrics_window();
+    }
     if state.show_app_main_menu_bar { show_example_app_main_menu_bar(frame, state) }
     if state.show_app_fixed_overlay {
         state.show_app_fixed_overlay = show_example_app_fixed_overlay(frame);
     }
+    if state.show_app_manipulating_window_title {
+        show_example_app_manipulating_window_title(frame);
+    }
     if state.show_app_about {
         state.show_app_about = frame.window()
             .name(im_str!("About ImGui"))
@@ -253,3 +259,30 @@ fn show_example_app_fixed_overlay<'a>(frame: &Frame<'a>) -> bool {
             frame.text(im_str!("Mouse Position: ({:.1},{:.1})", mouse_pos.0, mouse_pos.1));
         })
 }
+
+fn show_example_app_manipulating_window_title<'a>(frame: &Frame<'a>) {
+    frame.window()
+        .name(im_str!("Same title as another window##1"))
+        .position((100.0, 100.0), ImGuiSetCond_FirstUseEver)
+        .build(|| {
+            frame.text(im_str!("This is window 1.
+My title is the same as window 2, but my identifier is unique."));
+        });
+    frame.window()
+        .name(im_str!("Same title as another window##2"))
+        .position((100.0, 200.0), ImGuiSetCond_FirstUseEver)
+        .build(|| {
+            frame.text(im_str!("This is window 2.
+My title is the same as window 1, but my identifier is unique."));
+        });
+    let chars = ['|', '/', '-', '\\'];
+    let ch_idx = (frame.imgui().get_time() / 0.25) as usize & 3;
+    let num = frame.imgui().get_frame_count(); // The C++ version uses rand() here
+    let title = im_str!("Animated title {} {}###AnimatedTitle", chars[ch_idx], num);
+    frame.window()
+        .name(title)
+        .position((100.0, 300.0), ImGuiSetCond_FirstUseEver)
+        .build(|| {
+            frame.text(im_str!("This window has a changing title"));
+        });
+}

src/lib.rs

@@ -127,6 +127,8 @@ impl ImGui {
       let io: &mut ffi::ImGuiIO = unsafe { mem::transmute(ffi::igGetIO()) };
       io.mouse_down = *states;
    }
+   pub fn get_time(&self) -> f32 { unsafe { ffi::igGetTime() as f32 } }
+   pub fn get_frame_count(&self) -> i32 { unsafe { ffi::igGetFrameCount() as i32 } }
    pub fn frame<'fr, 'a: 'fr>(&'a mut self, width: u32, height: u32, delta_time: f32) -> Frame<'fr> {
       unsafe {
          let io: &mut ffi::ImGuiIO = mem::transmute(ffi::igGetIO());