85 lines
3.6 KiB
Diff
85 lines
3.6 KiB
Diff
From 5ad394475f26725d854a0c4c733ffcde8f3bbf15 Mon Sep 17 00:00:00 2001
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From: Jan Grulich <jgrulich@redhat.com>
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Date: Thu, 27 Jul 2023 12:44:11 +0200
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Subject: [PATCH 24/25] QGtk3Theme: Improve fixed font delivery
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The gtk_fixed widget was used as a reference to obtain a fixed font
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and HeaderViewFont.
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This is a mistake, because the gtk_fixed widget is a container for
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other widgets with fixed geometries and no layouting.
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This patch makes the default style being used for a fixed font and, as
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a drive-by, the combo box as a reference for a header view font.
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A monospace based css provider as explicitly added to the style
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context, in case a fixed font is requested. The provider is removed
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afterwards.
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---
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.../platformthemes/gtk3/qgtk3interface.cpp | 24 +++++++++++++++++--
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1 file changed, 22 insertions(+), 2 deletions(-)
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diff --git a/src/plugins/platformthemes/gtk3/qgtk3interface.cpp b/src/plugins/platformthemes/gtk3/qgtk3interface.cpp
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index 0fab1220b4..21abea81cf 100644
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--- a/src/plugins/platformthemes/gtk3/qgtk3interface.cpp
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+++ b/src/plugins/platformthemes/gtk3/qgtk3interface.cpp
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@@ -18,6 +18,7 @@
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#include <QtCore/QMetaEnum>
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#include <QtCore/QSettings>
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#include <QtCore/QFileInfo>
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+#include <QtCore/QScopeGuard>
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#include <QtGui/QFontDatabase>
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#include <QtGui/QIcon>
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@@ -538,13 +539,13 @@ inline constexpr QGtk3Interface::QGtkWidget QGtk3Interface::toWidgetType(QPlatfo
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case QPlatformTheme::ToolButtonFont: return QGtkWidget::gtk_button;
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case QPlatformTheme::ItemViewFont: return QGtkWidget::gtk_entry;
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case QPlatformTheme::ListViewFont: return QGtkWidget::gtk_tree_view;
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- case QPlatformTheme::HeaderViewFont: return QGtkWidget::gtk_fixed;
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+ case QPlatformTheme::HeaderViewFont: return QGtkWidget::gtk_combo_box;
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case QPlatformTheme::ListBoxFont: return QGtkWidget::gtk_Default;
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case QPlatformTheme::ComboMenuItemFont: return QGtkWidget::gtk_combo_box;
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case QPlatformTheme::ComboLineEditFont: return QGtkWidget::gtk_combo_box_text;
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case QPlatformTheme::SmallFont: return QGtkWidget::gtk_Default;
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case QPlatformTheme::MiniFont: return QGtkWidget::gtk_Default;
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- case QPlatformTheme::FixedFont: return QGtkWidget::gtk_fixed;
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+ case QPlatformTheme::FixedFont: return QGtkWidget::gtk_Default;
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case QPlatformTheme::GroupBoxTitleFont: return QGtkWidget::gtk_Default;
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case QPlatformTheme::TabButtonFont: return QGtkWidget::gtk_button;
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case QPlatformTheme::EditorFont: return QGtkWidget::gtk_entry;
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@@ -624,6 +625,24 @@ QFont QGtk3Interface::font(QPlatformTheme::Font type) const
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if (!con)
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return QFont();
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+ // explicitly add provider for fixed font
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+ GtkCssProvider *cssProvider = nullptr;
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+ if (type == QPlatformTheme::FixedFont) {
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+ cssProvider = gtk_css_provider_new();
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+ const char *fontSpec = "{font-family: monospace;}";
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+ gtk_css_provider_load_from_data(cssProvider, fontSpec, -1, NULL);
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+ gtk_style_context_add_provider(con, GTK_STYLE_PROVIDER(cssProvider),
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+ GTK_STYLE_PROVIDER_PRIORITY_USER);
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+ }
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+
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+ // remove monospace provider from style context and unref it
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+ QScopeGuard guard([&](){
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+ if (cssProvider) {
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+ gtk_style_context_remove_provider(con, GTK_STYLE_PROVIDER(cssProvider));
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+ g_object_unref(cssProvider);
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+ }
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+ });
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+
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const PangoFontDescription *gtkFont = gtk_style_context_get_font(con, GTK_STATE_FLAG_NORMAL);
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if (!gtkFont)
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return QFont();
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@@ -650,6 +669,7 @@ QFont QGtk3Interface::font(QPlatformTheme::Font type) const
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font.setFamily("monospace");
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}
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}
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+
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return font;
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}
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--
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2.41.0
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