Adjust timecode track height dynamically (#75)

Signed-off-by: TrevorAyl <37515792+TrevorAyl@users.noreply.github.com>

.gitignore

@@ -2,4 +2,5 @@
 
 
 build
-.vscode
+.vscode
+*.DS_Store

app.cpp

@@ -923,7 +923,27 @@ void DetectPlayheadLimits() {
 void FitZoomWholeTimeline() {
     appState.scale = appState.timeline_width / appState.timeline->duration().to_seconds();
 }
-
+// GUI utility to add dynamic height to GUI elements
+
+float CalculateDynamicHeight() {
+    // Get the current font size
+    float fontSize = ImGui::GetFontSize();
+    // Get the vertical spacing from the ImGui style
+    float verticalSpacing = ImGui::GetStyle().ItemSpacing.y;
+
+    // Determine how many elements are selected
+    int visibleElementCount = 0;
+    if (appState.display_timecode) visibleElementCount++;
+    if (appState.display_frames) visibleElementCount++;
+    if (appState.display_seconds) visibleElementCount++;
+    if (appState.display_rate) visibleElementCount++;
+
+    // Set height based on selected elements
+    // Use fontSize as base height and verticalSpacing for additional height
+    float calculatedHeight = fontSize + (visibleElementCount - 1) * (fontSize + verticalSpacing);
+        // Return the maximum of calculatedHeight and the minimum height (10)
+    return std::max(calculatedHeight, 10.0f);
+}
 std::string FormattedStringFromTime(otio::RationalTime time, bool allow_rate) {
     std::string result;
     if (appState.display_timecode) {

app.h

@@ -142,6 +142,7 @@ void SeekPlayhead(double seconds);
 void SnapPlayhead();
 void DetectPlayheadLimits();
 void FitZoomWholeTimeline();
+float CalculateDynamicHeight();
 std::string FormattedStringFromTime(otio::RationalTime time, bool allow_rate = true);
 std::string TimecodeStringFromTime(otio::RationalTime);
 std::string FramesStringFromTime(otio::RationalTime);

timeline.cpp

@@ -887,6 +887,9 @@ bool DrawTimecodeTrack(
     bool interactive = true) {
     bool moved_playhead = false;
 
+    // Adjust track_height based on the number of visible elements
+    track_height = CalculateDynamicHeight();
+
     float width = ImGui::GetContentRegionAvail().x;
     ImVec2 size(fmaxf(full_width, width), track_height);