Clean up base_grid a bit

Reduce the visibilty of many members and document some of them

Cut down on recreation of wxPen and wxBrush objects in DrawImage,
probably speeding up painting somewhat

Simplify handling of extendRow

Move event IDs to base_grid.cpp

Remove worthless comments and dead code

Assorted cosmetic changes

Originally committed to SVN as r5462.

aegisub/src/base_grid.h

@@ -67,26 +67,33 @@ typedef SelectionListener<AssDialogue> SubtitleSelectionListener;
 ///
 /// DOCME
 class BaseGrid : public wxWindow, public BaseSelectionController<AssDialogue> {
-	/// DOCME
-	int lineHeight;
-
-	/// DOCME
-	int lastRow;
-
-	/// DOCME
+	int lineHeight;         ///< Height of a line in pixels in the current font
+	int lastRow;            ///< ?
+	bool holding;           ///< Is a drag selection in process?
+	wxFont font;            ///< Current grid font
+	wxScrollBar *scrollBar; ///< The grid's scrollbar
+	wxBitmap *bmp;          ///< Back buffer which the grid is rendered into
+	bool byFrame;           ///< Should times be displayed as frame numbers
+	/// Row from which the selection shrinks/grows from when selecting via the
+	/// keyboard. Equal to the active row except for when using shift+up/down.
 	int extendRow;
 
-	/// DOCME
-	bool holding;
+	Selection selection;      ///< Currently selected lines
+	AssDialogue *active_line; ///< The currently active line or 0 if none
+	std::vector<AssDialogue*> index_line_map;  ///< Row number -> dialogue line
+	std::map<AssDialogue*,int> line_index_map; ///< Dialogue line -> row number
 
-	/// DOCME
-	wxFont font;
-
-	/// DOCME
-	wxScrollBar *scrollBar;
-
-	/// DOCME
-	wxBitmap *bmp;
+	/// Selection batch nesting depth; changes are commited only when this
+	/// hits zero
+	int batch_level;
+	/// Has the active line been changed in the current batch?
+	bool batch_active_line_changed;
+	/// Lines which will be added to the selection when the current batch is
+	/// completed; should be disjoint from selection
+	Selection batch_selection_added;
+	/// Lines which will be removed from the selection when the current batch
+	/// is completed; should be a subset of selection
+	Selection batch_selection_removed;
 
 	void OnPaint(wxPaintEvent &event);
 	void OnSize(wxSizeEvent &event);
@@ -95,66 +102,43 @@ class BaseGrid : public wxWindow, public BaseSelectionController<AssDialogue> {
 	void OnKeyDown(wxKeyEvent &event);
 
 	void DrawImage(wxDC &dc);
-
-	Selection selection;
-	AssDialogue *active_line;
-	std::vector<AssDialogue*> index_line_map;
-	std::map<AssDialogue*,int> line_index_map;
-
-	int batch_level;
-	bool batch_active_line_changed;
-	Selection batch_selection_added;
-	Selection batch_selection_removed;
-
-protected:
-
-	/// DOCME
-	int colWidth[16];
-
-	agi::Context *context;
-
-	/// DOCME
-	static const int columns = 10;
-	bool showCol[columns];
-
-	/// @brief DOCME
-	/// @param alternate
-	///
-	virtual void OnPopupMenu(bool alternate=false) {}
 	void ScrollTo(int y);
 
-	/// DOCME
+	virtual void OnPopupMenu(bool alternate = false) { }
+
+protected:
+	int colWidth[16];      ///< Width in pixels of each column
+	agi::Context *context; ///< Current project context
+
+	static const int columns = 10; ///< Total number of columns
+	bool showCol[columns]; ///< Column visibility mask
+
 	int yPos;
 
+	void AdjustScrollbar();
+	void SetColumnWidths();
+
 	// Re-implement functions from BaseSelectionController to add batching
 	void AnnounceActiveLineChanged(AssDialogue *new_line);
 	void AnnounceSelectedSetChanged(const Selection &lines_added, const Selection &lines_removed);
 
 public:
 	// SelectionController implementation
-	virtual void SetActiveLine(AssDialogue *new_line);
-	virtual AssDialogue * GetActiveLine() const { return active_line; }
-	virtual void SetSelectedSet(const Selection &new_selection);
-	virtual void GetSelectedSet(Selection &res) const { res = selection; }
-	virtual Selection const& GetSelectedSet() const { return selection; }
-	virtual void NextLine();
-	virtual void PrevLine();
+	void SetActiveLine(AssDialogue *new_line);
+	AssDialogue * GetActiveLine() const { return active_line; }
+	void SetSelectedSet(const Selection &new_selection);
+	void GetSelectedSet(Selection &res) const { res = selection; }
+	Selection const& GetSelectedSet() const { return selection; }
+	void NextLine();
+	void PrevLine();
 
-public:
-	/// DOCME
-	bool byFrame;
-
-	void AdjustScrollbar();
-	void SetColumnWidths();
 	void BeginBatch();
 	void EndBatch();
-	void SetByFrame (bool state);
+	void SetByFrame(bool state);
 
-	void SelectRow(int row, bool addToSelected = false, bool select=true);
-	void ClearSelection();
-	bool IsInSelection(int row, int col=0) const;
 	bool IsDisplayed(const AssDialogue *line) const;
-	int GetNumberSelection() const;
+	void SelectRow(int row, bool addToSelected = false, bool select=true);
+	bool IsInSelection(int row) const;
 	int GetFirstSelRow() const;
 	int GetLastSelRow() const;
 	void SelectVisible();
@@ -167,8 +151,7 @@ public:
 	void UpdateMaps(bool preserve_selected_rows = false);
 	void UpdateStyle();
 
-	int GetRows() const;
-	wxArrayInt GetRangeArray(int n1,int n2) const;
+	int GetRows() const { return index_line_map.size(); }
 	void MakeCellVisible(int row, int col,bool center=true);
 
 	AssDialogue *GetDialogue(int n) const;
@@ -179,14 +162,3 @@ public:
 
 	DECLARE_EVENT_TABLE()
 };
-
-
-///////
-// IDs
-enum {
-
-	/// DOCME
-	GRID_SCROLLBAR = 1730
-};
-
-

aegisub/src/dialog_selection.cpp

@@ -270,7 +270,6 @@ void DialogSelection::Process() {
 	// Select for modes 2 and 3
 	if (action == 2 || action == 3) {
 		SubtitleSelectionController::Selection newsel;
-		grid->ClearSelection();
 		int count = sels.Count();
 		for (int i=0;i<count;i++) {
 			newsel.insert(grid->GetDialogue(sels[i]));

aegisub/src/dialog_shift_times.cpp

@@ -256,7 +256,7 @@ void DialogShiftTimes::OnOK(wxCommandEvent &event) {
 
 	// Shift
 	for (int i=0;i<nrows;i++) {
-		if (allrows || (i >= firstSel && selOnward) || context->subsGrid->IsInSelection(i,0)) {
+		if (allrows || (i >= firstSel && selOnward) || context->subsGrid->IsInSelection(i)) {
 			if (byTime) context->subsGrid->ShiftLineByTime(i,len,type);
 			else context->subsGrid->ShiftLineByFrames(i,len,type);
 			didSomething = true;

aegisub/src/subs_grid.cpp

@@ -680,11 +680,10 @@ void SubtitlesGrid::SetVideoToSubs(bool start) {
 /// @return 
 ///
 std::vector<int> SubtitlesGrid::GetAbsoluteSelection() {
-	std::vector<int> result;
-	result.reserve(GetNumberSelection());
+	Selection sel = GetSelectedSet();
 
-	Selection sel;
-	GetSelectedSet(sel);
+	std::vector<int> result;
+	result.reserve(sel.size());
 
 	int line_index = 0;
 	for (entryIter it = context->ass->Line.begin(); it != context->ass->Line.end(); ++it, ++line_index) {