Fix poor synchronization between mouse and keyboard modifications to the selection
Combining Shift+Up/Down (or Home/End or Page Up/Page Down) with shift-clicking had very odd results due to that they used separate variables to decide where to extend from (and even when only one was used they were handled incorrectly in some cases). Closes #1311. Originally committed to SVN as r6355.
This commit is contained in:
Thomas Goyne
parent
e6d86a1af4
commit
26c3e13340
2 changed files with 31 additions and 42 deletions
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@ -89,7 +89,6 @@ static inline void set_difference(const S1 &src1, const S2 &src2, D &dst) {
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BaseGrid::BaseGrid(wxWindow* parent, agi::Context *context, const wxSize& size, long style, const wxString& name)
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: wxWindow(parent, -1, wxDefaultPosition, size, style, name)
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, lineHeight(1) // non-zero to avoid div by 0
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, lastRow(-1)
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, holding(false)
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, scrollBar(new wxScrollBar(this, GRID_SCROLLBAR, wxDefaultPosition, wxDefaultSize, wxSB_VERTICAL))
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, bmp(0)
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@ -349,8 +348,6 @@ void BaseGrid::EndBatch() {
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}
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void BaseGrid::MakeCellVisible(int row, int col, bool center) {
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lastRow = row;
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int w = 0;
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int h = 0;
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GetClientSize(&w,&h);
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@ -722,51 +719,45 @@ void BaseGrid::OnMouseEvent(wxMouseEvent &event) {
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// Click
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if ((click || holding || dclick) && dlg) {
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int old_extend = extendRow;
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SetActiveLine(dlg);
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// Toggle selected
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if (click && ctrl && !shift && !alt) {
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bool isSel = !!selection.count(dlg);
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if (isSel && selection.size() == 1) return;
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SelectRow(row,true,!isSel);
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if (dlg == GetActiveLine()) {
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SetActiveLine(GetDialogue(GetFirstSelRow()));
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}
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lastRow = row;
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SelectRow(row, true, !isSel);
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return;
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}
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// Normal click
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if ((click || dclick) && !shift && !ctrl && !alt) {
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SetActiveLine(dlg);
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if (dclick) context->videoController->JumpToTime(dlg->Start);
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SelectRow(row,false);
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lastRow = row;
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SelectRow(row, false);
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return;
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}
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// Keep selection
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// Change active line only
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if (click && !shift && !ctrl && alt) {
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SetActiveLine(dlg);
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return;
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}
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// Block select
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if ((click && shift && !alt) || (holding && !ctrl && !alt && !shift)) {
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if (lastRow != -1) {
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// Set boundaries
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extendRow = old_extend;
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int i1 = row;
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int i2 = lastRow;
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if (i1 > i2) {
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int i2 = extendRow;
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if (i1 > i2)
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std::swap(i1, i2);
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}
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// Toggle each
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Selection newsel;
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if (ctrl) newsel = selection;
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for (int i=i1;i<=i2;i++) {
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for (int i = i1; i <= i2; i++) {
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newsel.insert(GetDialogue(i));
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}
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SetSelectedSet(newsel);
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}
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return;
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}
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@ -1010,38 +1001,36 @@ void BaseGrid::OnKeyDown(wxKeyEvent &event) {
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// Moving
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if (dir) {
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int old_extend = extendRow;
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int next = mid(0, GetDialogueIndex(active_line) + dir * step, GetRows() - 1);
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SetActiveLine(GetDialogue(next));
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// Move selection
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if (!ctrl && !shift && !alt) {
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int next = mid(0, extendRow + dir * step, GetRows() - 1);
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SetActiveLine(GetDialogue(next));
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SelectRow(next);
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return;
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}
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// Move active only
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else if (alt && !shift && !ctrl) {
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int next = mid(0, GetDialogueIndex(GetActiveLine()) + dir * step, GetRows() - 1);
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SetActiveLine(GetDialogue(next));
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if (alt && !shift && !ctrl) {
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Refresh(false);
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return;
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}
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// Shift-selection
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else if (shift && !ctrl && !alt) {
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extendRow = mid(0, extendRow + dir * step, GetRows() - 1);
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if (shift && !ctrl && !alt) {
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extendRow = old_extend;
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// Set range
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int begin = GetDialogueIndex(GetActiveLine());
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int begin = next;
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int end = extendRow;
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if (end < begin) {
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if (end < begin)
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std::swap(begin, end);
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}
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// Select range
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Selection newsel;
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for (int i = begin; i <= end; i++) {
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for (int i = begin; i <= end; i++)
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newsel.insert(GetDialogue(i));
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}
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SetSelectedSet(newsel);
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MakeCellVisible(extendRow, 0, false);
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@ -66,14 +66,14 @@ typedef SelectionListener<AssDialogue> SubtitleSelectionListener;
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/// DOCME
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class BaseGrid : public wxWindow, public BaseSelectionController<AssDialogue> {
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int lineHeight; ///< Height of a line in pixels in the current font
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int lastRow; ///< ?
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bool holding; ///< Is a drag selection in process?
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wxFont font; ///< Current grid font
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wxScrollBar *scrollBar; ///< The grid's scrollbar
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wxBitmap *bmp; ///< Back buffer which the grid is rendered into
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bool byFrame; ///< Should times be displayed as frame numbers
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/// Row from which the selection shrinks/grows from when selecting via the
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/// keyboard. Equal to the active row except for when using shift+up/down.
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/// keyboard, shift-clicking or dragging
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int extendRow;
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Selection selection; ///< Currently selected lines
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