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feat: add view mode buttons to the studio toolbar #7

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1 change: 1 addition & 0 deletions Examples/Markdown4DStudioVCL/Markdown4DStudioVCL.Defines.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ interface
StatusLabelLeftMargin = 8;
ButtonSpacing = 4;
IconGlyphSize = 14;
ViewModeGroupIndex = 1; // TSpeedButton group for the mutually exclusive view mode buttons
ToolbarLightColor = TColor($00F3F3F3);
ToolbarDarkColor = TColor($002D2D2D);
IconLightColor = TColor($00404040);
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46 changes: 46 additions & 0 deletions Examples/Markdown4DStudioVCL/Markdown4DStudioVCL.Main.pas
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Expand Up @@ -87,6 +87,9 @@ TPadChrome = record
FItalicButton: TSpeedButton;
FLinkButton: TSpeedButton;
FCodeButton: TSpeedButton;
FViewEditorButton: TSpeedButton;
FViewSplitButton: TSpeedButton;
FViewPreviewButton: TSpeedButton;
FThemeButton: TSpeedButton;
FTocButton: TSpeedButton;
FZenButton: TSpeedButton;
Expand Down Expand Up @@ -175,6 +178,10 @@ TPadChrome = record
procedure HandleItalicClick(Sender: TObject);
procedure HandleLinkClick(Sender: TObject);
procedure HandleCodeClick(Sender: TObject);
procedure HandleViewEditorClick(Sender: TObject);
procedure HandleViewSplitClick(Sender: TObject);
procedure HandleViewPreviewClick(Sender: TObject);
procedure UpdateViewModeButtons;
procedure HandleExportClick(Sender: TObject);
procedure HandleCopyHtmlClick(Sender: TObject);
procedure ExecuteFormatCommand(const Command: TEditorCommand);
Expand Down Expand Up @@ -394,6 +401,16 @@ procedure TMarkdown4DStudioVCLForm.BuildToolbar;

AddSeparator;

// The view mode buttons share a GroupIndex, so the VCL keeps exactly one of them
// down: clicking one releases the other two, and clicking the active one keeps it
// down because AllowAllUp stays False.
FViewEditorButton := AddIconButton(GlyphViewEditor, HintViewEditor, HandleViewEditorClick);
FViewEditorButton.GroupIndex := ViewModeGroupIndex;
FViewSplitButton := AddIconButton(GlyphViewSplit, HintViewSplit, HandleViewSplitClick);
FViewSplitButton.GroupIndex := ViewModeGroupIndex;
FViewPreviewButton := AddIconButton(GlyphViewPreview, HintViewPreview, HandleViewPreviewClick);
FViewPreviewButton.GroupIndex := ViewModeGroupIndex;

FThemeButton := AddIconButton(GlyphTheme, HintTheme, HandleThemeClick);
FTocButton := AddIconButton(GlyphToc, HintToc, HandleTocClick);
FZenButton := AddIconButton(GlyphZen, HintZen, HandleZenClick);
Expand Down Expand Up @@ -757,6 +774,34 @@ procedure TMarkdown4DStudioVCLForm.HandleCodeClick(Sender: TObject);
mdEditor.SetFocus;
end;

procedure TMarkdown4DStudioVCLForm.HandleViewEditorClick(Sender: TObject);
begin
SetViewMode(TPadViewMode.EditorOnly);
end;

procedure TMarkdown4DStudioVCLForm.HandleViewSplitClick(Sender: TObject);
begin
SetViewMode(TPadViewMode.Split);
end;

procedure TMarkdown4DStudioVCLForm.HandleViewPreviewClick(Sender: TObject);
begin
SetViewMode(TPadViewMode.PreviewOnly);
end;

procedure TMarkdown4DStudioVCLForm.UpdateViewModeButtons;
begin
// Keep the pressed button in step with the mode however it was set: toolbar click,
// Ctrl+1/2/3, the command palette, session restore or leaving zen mode. The nil
// guard covers ApplyViewMode running before BuildToolbar.
if FViewSplitButton = nil then
Exit;

FViewEditorButton.Down := FViewMode = TPadViewMode.EditorOnly;
FViewSplitButton.Down := FViewMode = TPadViewMode.Split;
FViewPreviewButton.Down := FViewMode = TPadViewMode.PreviewOnly;
end;

procedure TMarkdown4DStudioVCLForm.HandleExportClick(Sender: TObject);
begin
DoExportHtml;
Expand Down Expand Up @@ -1742,6 +1787,7 @@ procedure TMarkdown4DStudioVCLForm.ApplyViewMode;
end;
end;

UpdateViewModeButtons;
EnforceTopBarOrder;
EnforceLeftPaneOrder;
end;
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6 changes: 6 additions & 0 deletions Examples/Shared/Markdown4DStudio.Defines.pas
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Expand Up @@ -23,6 +23,9 @@ interface
GlyphItalic = Char($E8DB);
GlyphLink = Char($E71B);
GlyphCode = Char($E943);
GlyphViewEditor = Char($E70F); // Edit (pencil)
GlyphViewSplit = Char($E89A); // TwoPage
GlyphViewPreview = Char($E890); // View (eye)
GlyphTheme = Char($E793);
GlyphToc = Char($E8FD);
GlyphFind = Char($E721);
Expand All @@ -41,6 +44,9 @@ interface
HintItalic = 'Italic (Ctrl+I)';
HintLink = 'Link (Ctrl+K)';
HintCode = 'Code block';
HintViewEditor = 'Editor only (Ctrl+1)';
HintViewSplit = 'Split view (Ctrl+2)';
HintViewPreview = 'Preview only (Ctrl+3)';
HintTheme = 'Toggle theme';
HintToc = 'Toggle contents';
HintFind = 'Find in preview';
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