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Add an option to draw the folio cell limits across the drawing

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Affichage › "Afficher les limites des cases" draws a faint dashed line
at every column and row limit of the folio border, so that zoomed into
the middle of a folio you can see where a cell ends, not only which one
the headers name. Off by default, remembered once set
(diagrameditor/cell_lines).

Drawn by DiagramView::drawBackground(), under every item and only in
the view: printing and export render the Diagram, never the view, so
they cannot pick the lines up. PaletteGraphicsView gains scenePainter()
so a subclass can draw there on the inverted (dark palette) path too.

The lines follow the border's own cell positions, and each direction is
hidden when the folio hides that header.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
ispyisail
2026-09-26 21:17:19 +12:00
parent 923367d2a8
commit 53706a80d8
5 changed files with 93 additions and 2 deletions
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sources/qetdiagrameditor.cpp
+14
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@@ -534,6 +534,18 @@ void QETDiagramEditor::setUpActions()
dv->setCellRulersShown(checked);
});
//Draw the limits of the folio columns and rows across the drawing
m_cell_lines = new QAction(tr("Afficher les limites des cases"), this);
m_cell_lines->setStatusTip(tr("Trace les limites des colonnes et des lignes du folio sur le schéma, à l'écran seulement"));
m_cell_lines->setCheckable(true);
m_cell_lines->setChecked(settings.value("diagrameditor/cell_lines", false).toBool());
connect(m_cell_lines, &QAction::triggered, [this](bool checked) {
QSettings().setValue("diagrameditor/cell_lines", checked);
foreach (ProjectView *prjv, this->openedProjects())
foreach (DiagramView *dv, prjv->diagram_views())
dv->setCellLinesShown(checked);
});
//Edit current diagram properties
m_edit_diagram_properties = new QAction(QET::Icons::DialogInformation, tr("Propriétés du folio"), this);
ShortcutManager::instance().registerAction(m_edit_diagram_properties, "diagrameditor.edit_diagram_properties", tr("Éditeur de schémas"), Qt::CTRL | Qt::Key_L);
@@ -1160,6 +1172,7 @@ void QETDiagramEditor::setUpMenu()
menu_affichage -> addMenu(m_text_grid_menu);
menu_affichage -> addAction(m_draw_guides);
menu_affichage -> addAction(m_cell_rulers);
menu_affichage -> addAction(m_cell_lines);
menu_affichage -> addMenu(m_background_color_button->menu());
menu_affichage -> addSeparator();
menu_affichage -> addActions(m_zoom_actions_group.actions());
@@ -1992,6 +2005,7 @@ void QETDiagramEditor::slot_updateActions()
m_draw_grid-> setEnabled(opened_diagram);
m_draw_guides-> setEnabled(opened_diagram);
m_cell_rulers-> setEnabled(opened_diagram);
m_cell_lines-> setEnabled(opened_diagram);
//Project menu
m_project_edit_properties -> setEnabled(opened_project);