drag and drop file loading

1 files changed, 126 insertions, 120 deletions

diff --git a/src/imgui_ui_timeline.cpp b/src/imgui_ui_timeline.cpp
index 964f7c5..40bc889 100644
--- a/src/imgui_ui_timeline.cpp
+++ b/src/imgui_ui_timeline.cpp
@@ -818,127 +818,9 @@ ImGui_Timeline_DrawPrecomp(project_data *File, project_state *State, memory *Mem
 }
 
 static void
-ImGui_Timeline(project_data *File, project_state *State, memory *Memory, ui *UI, ImGuiIO io,
-              sorted_comp_array *SortedCompArray, sorted_layer_array *SortedLayerArray, sorted_property_array *SortedPropertyStart, uint16 *SortedKeyframeArray)
+ImGui_Timeline_Bar(project_data *File, project_state *State, memory *Memory, ui *UI, ImGuiIO io,
+                    real32 FontHeight, ImVec2 MouseDelta, ImVec2 TimelineSizeWithBorder, ImVec2 *ActivePercentOffset, ImVec2 *ActivePercentZoomed, ImVec2 TimelineSize, ImVec2 TimelineAbsolutePos)
 {
-    ImVec2 FramePadding = ImGui::GetStyle().FramePadding;
-    ImVec2 ItemSpacing = ImGui::GetStyle().ItemSpacing;
-    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
-    ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));       // makes setting up the layout easier
-    ImGui::Begin("Timeline", NULL);
-
-    if (ImGui::IsWindowHovered(ImGuiFocusedFlags_ChildWindows)) {
-        State->FocusedWindow = focus_timeline;
-    }
-
-    // if (State->TimelineMode == timeline_mode_graph)
-    //     ImGui_GraphInfo(File, State, Memory, UI, io, SortedPropertyStart, SortedKeyframeArray);
-
-    real32 FontHeight = ImGui::GetFontSize();
-
-    ImVec2 WindowSize = ImGui::GetWindowSize();
-
-    if (WindowSize.x < 50 || WindowSize.y < 50) {
-        ImGui::PopStyleVar(2);
-        ImGui::End();
-        return;
-    }
-
-    block_composition *MainComp = (block_composition *)Memory_Block_AddressAtIndex(Memory, F_Precomps, File->PrincipalCompIndex);
-
-    ImVec2 WindowMinAbs = ImGui::GetWindowPos();
-    ImVec2 WindowMaxAbs = WindowMinAbs + WindowSize;
-
-    ImVec2 ButtonSize = ImVec2(FontHeight*2, FontHeight*2);
-
-    ImVec2 TimelineBorderPadding = ImVec2(FontHeight, FontHeight);
-
-    ImVec2 TimelineSize = ImVec2(WindowSize.x, WindowSize.y);
-    ImVec2 TimelineSizeWithBorder = TimelineSize - TimelineBorderPadding*2;
-    ImVec2 TimelineAbsolutePos = WindowMinAbs + TimelineBorderPadding;
-
-    ImVec2 KeyframeSize = ImVec2(FontHeight, FontHeight);
-
-    int32 FrameCount = MainComp->Frame_Count;
-
-    ImDrawList* draw_list = ImGui::GetWindowDrawList();
-    draw_list->AddRectFilled(WindowMinAbs, WindowMaxAbs,
-                             IM_COL32(255, 255, 255, 50));
-
-
-    ImGui::BeginChild("Timeline",  TimelineSize, true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoScrollbar);
-
-    ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0f, ItemSpacing.y));
-
-    ImGui::PushClipRect(TimelineAbsolutePos, TimelineAbsolutePos + TimelineSizeWithBorder, true);
-    draw_list->PushClipRect(TimelineAbsolutePos, TimelineAbsolutePos + TimelineSizeWithBorder, true);
-
-    real32 LayerIncrement = 40;
-
-    ImVec2 Val_Min(0, 0);
-    ImVec2 Val_Max(40, LayerIncrement);
-
-    // DebugWatchVar("Selection", &State->RecentSelectionType, d_int);
-
-    // ImVec2 *ActivePercentZoomed = (UI->TimelineMode != timeline_mode_graph) ? &UI->TimelinePercentZoomed : &UI->GraphPercentZoomed;
-    // ImVec2 *ActivePercentOffset = (UI->TimelineMode != timeline_mode_graph) ? &UI->TimelinePercentOffset : &UI->GraphPercentOffset;
-    ImVec2 *ActivePercentZoomed = &UI->TimelinePercentZoomed;
-    ImVec2 *ActivePercentOffset = &UI->TimelinePercentOffset;
-
-    if (ActivePercentZoomed->x == 0) {
-        *ActivePercentZoomed = ImVec2(1, 1);
-    }
-
-    ImVec2 ActiveZoomSize = TimelineSizeWithBorder / *ActivePercentZoomed;
-    ImVec2 ActiveMoveSize = TimelineSizeWithBorder * *ActivePercentOffset / *ActivePercentZoomed;
-
-    ImVec2 TimelineZoomSize = TimelineSizeWithBorder / UI->TimelinePercentZoomed;
-    ImVec2 TimelineMoveSize = TimelineSizeWithBorder * UI->TimelinePercentOffset / UI->TimelinePercentZoomed;
-
-    // DebugWatchVar("TimelineY: ", &TimelineMoveSize.y, d_float);
-
-    ImVec2 Increment = ImVec2((real32)1 / MainComp->Frame_Count, (real32)1 / LayerIncrement);
-
-    ImGui_Timeline_BGElements(File, State, Memory, UI, draw_list, TimelineSizeWithBorder, TimelineAbsolutePos, *MainComp, TimelineZoomSize, TimelineMoveSize);
-
-    int16 RecursionIdx[MAX_PRECOMP_RECURSIONS] = {};
-    int32 Recursions = 0;
-    RecursionIdx[0] = -1;
-    ImGui_Timeline_DrawPrecomp(File, State, Memory, UI, io, draw_list, RecursionIdx, Recursions,
-                               Increment, TimelineAbsolutePos, TimelineMoveSize, TimelineZoomSize,
-                               TimelineSize, TimelineSizeWithBorder, LayerIncrement,
-                               SortedCompArray, SortedLayerArray, SortedPropertyStart, SortedKeyframeArray);
-
-    if (State->TimelineMode == timeline_mode_graph) {
-
-        if (UI->GraphMoveSize.y == 0) {
-            UI->GraphZoomSize = ImVec2(1, UI->TimelinePercentZoomed.y );
-            UI->GraphMoveSize = ImVec2(0, -UI->TimelinePercentOffset.y );
-        }
-
-        ImVec2 ZoomDifference = (UI->TimelinePercentZoomed / UI->GraphZoomSize);
-        ImVec2 MoveDifference = (UI->TimelinePercentOffset + (UI->GraphMoveSize));
-        // DebugWatchVar("zoomdif: ", &ZoomDifference.y, d_float);
-        // DebugWatchVar("movedif: ", &MoveDifference.y, d_float);
-        ImVec2 GraphZoomSize = TimelineSizeWithBorder / ZoomDifference;
-        ImVec2 GraphMoveSize = TimelineSizeWithBorder * (MoveDifference) / UI->TimelinePercentZoomed;
-        // DebugWatchVar("zoomsize: ", &GraphZoomSize.y, d_float);
-        // DebugWatchVar("movesize: ", &GraphMoveSize.y, d_float);
-
-        draw_list->AddRectFilled(WindowMinAbs, WindowMaxAbs,
-                                 IM_COL32(50, 50, 50, 230));
-        ImGui_Timeline_DrawGraph(File, State, Memory, UI, io, draw_list,
-                                 Increment, TimelineAbsolutePos, GraphMoveSize, GraphZoomSize,
-                                 TimelineSize, TimelineSizeWithBorder, LayerIncrement,
-                                 SortedCompArray, SortedLayerArray,
-                                 SortedPropertyStart, SortedKeyframeArray);
-    }
-
-    ImGui_Timeline_HorizontalIncrementDraw(State, UI, draw_list, TimelineSizeWithBorder, TimelineAbsolutePos, *MainComp, TimelineZoomSize, TimelineMoveSize);
-
-
-    ImVec2 MouseDelta = io.MouseDelta / TimelineSize;
-
     real32 BarHandleSize = FontHeight;
     real32 BarThickness = 50;
     real32 BarMinZoom = 0.01;
@@ -949,6 +831,7 @@ ImGui_Timeline(project_data *File, project_state *State, memory *Memory, ui *UI,
     // I use "UI" to denote the size/position after clipping the bar so that it
     // doesn't go out of bounds and the handles are always selectable at the edges.
 
+
     real32 BarH_Offset = Max(BarH_Pos, 0);
 
     real32 BarH_SizeUI = (BarH_Size + BarH_Pos > TimelineSizeWithBorder.x) ?
@@ -1064,6 +947,129 @@ ImGui_Timeline(project_data *File, project_state *State, memory *Memory, ui *UI,
     if (BarHeld) {
         ImGui_WarpMouse(State, io.MousePos, TimelineAbsolutePos, TimelineAbsolutePos + TimelineSizeWithBorder, 2);
     }
+}
+
+static void
+ImGui_Timeline(project_data *File, project_state *State, memory *Memory, ui *UI, ImGuiIO io,
+              sorted_comp_array *SortedCompArray, sorted_layer_array *SortedLayerArray, sorted_property_array *SortedPropertyStart, uint16 *SortedKeyframeArray)
+{
+    ImVec2 FramePadding = ImGui::GetStyle().FramePadding;
+    ImVec2 ItemSpacing = ImGui::GetStyle().ItemSpacing;
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
+    ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));       // makes setting up the layout easier
+    ImGui::Begin("Timeline", NULL);
+
+    if (ImGui::IsWindowHovered(ImGuiFocusedFlags_ChildWindows)) {
+        State->FocusedWindow = focus_timeline;
+    }
+
+    // if (State->TimelineMode == timeline_mode_graph)
+    //     ImGui_GraphInfo(File, State, Memory, UI, io, SortedPropertyStart, SortedKeyframeArray);
+
+    real32 FontHeight = ImGui::GetFontSize();
+
+    ImVec2 WindowSize = ImGui::GetWindowSize();
+
+    if (WindowSize.x < 50 || WindowSize.y < 50) {
+        ImGui::PopStyleVar(2);
+        ImGui::End();
+        return;
+    }
+
+    block_composition *MainComp = (block_composition *)Memory_Block_AddressAtIndex(Memory, F_Precomps, File->PrincipalCompIndex);
+
+    ImVec2 WindowMinAbs = ImGui::GetWindowPos();
+    ImVec2 WindowMaxAbs = WindowMinAbs + WindowSize;
+
+    ImVec2 ButtonSize = ImVec2(FontHeight*2, FontHeight*2);
+
+    ImVec2 TimelineBorderPadding = ImVec2(FontHeight, FontHeight);
+
+    ImVec2 TimelineSize = ImVec2(WindowSize.x, WindowSize.y);
+    ImVec2 TimelineSizeWithBorder = TimelineSize - TimelineBorderPadding*2;
+    ImVec2 TimelineAbsolutePos = WindowMinAbs + TimelineBorderPadding;
+
+    ImVec2 KeyframeSize = ImVec2(FontHeight, FontHeight);
+
+    int32 FrameCount = MainComp->Frame_Count;
+
+    ImDrawList* draw_list = ImGui::GetWindowDrawList();
+    draw_list->AddRectFilled(WindowMinAbs, WindowMaxAbs,
+                             IM_COL32(255, 255, 255, 50));
+
+
+    ImGui::BeginChild("Timeline",  TimelineSize, true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoScrollbar);
+
+    ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0f, ItemSpacing.y));
+
+    ImGui::PushClipRect(TimelineAbsolutePos, TimelineAbsolutePos + TimelineSizeWithBorder, true);
+    draw_list->PushClipRect(TimelineAbsolutePos, TimelineAbsolutePos + TimelineSizeWithBorder, true);
+
+    real32 LayerIncrement = 40;
+
+    ImVec2 Val_Min(0, 0);
+    ImVec2 Val_Max(40, LayerIncrement);
+
+    // DebugWatchVar("Selection", &State->RecentSelectionType, d_int);
+
+    // ImVec2 *ActivePercentZoomed = (UI->TimelineMode != timeline_mode_graph) ? &UI->TimelinePercentZoomed : &UI->GraphPercentZoomed;
+    // ImVec2 *ActivePercentOffset = (UI->TimelineMode != timeline_mode_graph) ? &UI->TimelinePercentOffset : &UI->GraphPercentOffset;
+    ImVec2 *ActivePercentZoomed = &UI->TimelinePercentZoomed;
+    ImVec2 *ActivePercentOffset = &UI->TimelinePercentOffset;
+
+    if (ActivePercentZoomed->x == 0) {
+        *ActivePercentZoomed = ImVec2(1, 1);
+    }
+
+    ImVec2 ActiveZoomSize = TimelineSizeWithBorder / *ActivePercentZoomed;
+    ImVec2 ActiveMoveSize = TimelineSizeWithBorder * *ActivePercentOffset / *ActivePercentZoomed;
+
+    ImVec2 TimelineZoomSize = TimelineSizeWithBorder / UI->TimelinePercentZoomed;
+    ImVec2 TimelineMoveSize = TimelineSizeWithBorder * UI->TimelinePercentOffset / UI->TimelinePercentZoomed;
+
+    // DebugWatchVar("TimelineY: ", &TimelineMoveSize.y, d_float);
+
+    ImVec2 Increment = ImVec2((real32)1 / MainComp->Frame_Count, (real32)1 / LayerIncrement);
+
+    ImGui_Timeline_BGElements(File, State, Memory, UI, draw_list, TimelineSizeWithBorder, TimelineAbsolutePos, *MainComp, TimelineZoomSize, TimelineMoveSize);
+
+    ImVec2 MouseDelta = io.MouseDelta / TimelineSize;
+    ImGui_Timeline_Bar(File, State, Memory, UI, io, FontHeight, MouseDelta, TimelineSizeWithBorder, ActivePercentOffset, ActivePercentZoomed, TimelineSize, TimelineAbsolutePos);
+
+    int16 RecursionIdx[MAX_PRECOMP_RECURSIONS] = {};
+    int32 Recursions = 0;
+    RecursionIdx[0] = -1;
+    ImGui_Timeline_DrawPrecomp(File, State, Memory, UI, io, draw_list, RecursionIdx, Recursions,
+                               Increment, TimelineAbsolutePos, TimelineMoveSize, TimelineZoomSize,
+                               TimelineSize, TimelineSizeWithBorder, LayerIncrement,
+                               SortedCompArray, SortedLayerArray, SortedPropertyStart, SortedKeyframeArray);
+
+    if (State->TimelineMode == timeline_mode_graph) {
+
+        if (UI->GraphMoveSize.y == 0) {
+            UI->GraphZoomSize = ImVec2(1, UI->TimelinePercentZoomed.y );
+            UI->GraphMoveSize = ImVec2(0, -UI->TimelinePercentOffset.y );
+        }
+
+        ImVec2 ZoomDifference = (UI->TimelinePercentZoomed / UI->GraphZoomSize);
+        ImVec2 MoveDifference = (UI->TimelinePercentOffset + (UI->GraphMoveSize));
+        // DebugWatchVar("zoomdif: ", &ZoomDifference.y, d_float);
+        // DebugWatchVar("movedif: ", &MoveDifference.y, d_float);
+        ImVec2 GraphZoomSize = TimelineSizeWithBorder / ZoomDifference;
+        ImVec2 GraphMoveSize = TimelineSizeWithBorder * (MoveDifference) / UI->TimelinePercentZoomed;
+        // DebugWatchVar("zoomsize: ", &GraphZoomSize.y, d_float);
+        // DebugWatchVar("movesize: ", &GraphMoveSize.y, d_float);
+
+        draw_list->AddRectFilled(WindowMinAbs, WindowMaxAbs,
+                                 IM_COL32(50, 50, 50, 230));
+        ImGui_Timeline_DrawGraph(File, State, Memory, UI, io, draw_list,
+                                 Increment, TimelineAbsolutePos, GraphMoveSize, GraphZoomSize,
+                                 TimelineSize, TimelineSizeWithBorder, LayerIncrement,
+                                 SortedCompArray, SortedLayerArray,
+                                 SortedPropertyStart, SortedKeyframeArray);
+    }
+
+    ImGui_Timeline_HorizontalIncrementDraw(State, UI, draw_list, TimelineSizeWithBorder, TimelineAbsolutePos, *MainComp, TimelineZoomSize, TimelineMoveSize);
 
     ImGui::SetCursorScreenPos(TimelineAbsolutePos);
     ImGui::InvisibleButton("TimelineMoving", TimelineSizeWithBorder, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);