gtk4-demo: Polish the font features demo

diff --git a/demos/gtk-demo/font_features.c b/demos/gtk-demo/font_features.c
index 081447a0afe4727c4812ac5b15bd0d2c8481194d..325cafc1eebca6cb1c63f0871e137940f80f04bc 100644 (file)
--- a/demos/gtk-demo/font_features.c
+++ b/demos/gtk-demo/font_features.c
@@ -43,6 +43,7 @@ typedef struct {
 typedef struct {
   guint32 tag;
   GtkAdjustment *adjustment;
+  double default_value;
 } Axis;
 
 typedef struct {
@@ -135,6 +136,25 @@ basic_entry_activated (GtkEntry *entry,
     gtk_adjustment_set_value (adjustment, value);
 }
 
+static void
+font_features_reset_basic (void)
+{
+  gtk_adjustment_set_value (demo->size_adjustment, 20);
+  gtk_adjustment_set_value (demo->letterspacing_adjustment, 0);
+  gtk_adjustment_set_value (demo->line_height_adjustment, 1);
+}
+
+static void
+update_basic (void)
+{
+  PangoFontDescription *desc;
+
+  desc = gtk_font_chooser_get_font_desc (GTK_FONT_CHOOSER (demo->font));
+
+  gtk_adjustment_set_value (demo->size_adjustment,
+                            pango_font_description_get_size (desc) / (double) PANGO_SCALE);
+}
+
 static void add_font_variations (GString *s);
 
 static void
@@ -888,6 +908,19 @@ entry_activated (GtkEntry *entry,
 
 static void unset_instance (GtkAdjustment *adjustment);
 
+static void
+font_features_reset_variations (void)
+{
+  GHashTableIter iter;
+  Axis *axis;
+
+  g_hash_table_iter_init (&iter, demo->axes);
+  while (g_hash_table_iter_next (&iter, (gpointer *)NULL, (gpointer *)&axis))
+    {
+      gtk_adjustment_set_value (axis->adjustment, axis->default_value);
+    }
+}
+
 static void
 add_font_variations (GString *s)
 {
@@ -966,6 +999,7 @@ add_axis (hb_face_t             *hb_face,
   axis = g_new (Axis, 1);
   axis->tag = ax->tag;
   axis->adjustment = adjustment;
+  axis->default_value = ax->default_value;
   g_hash_table_add (demo->axes, axis);
 
   adjustment_changed (adjustment, GTK_ENTRY (axis_entry));
@@ -1249,6 +1283,7 @@ done:
 G_MODULE_EXPORT void
 font_features_font_changed (void)
 {
+  update_basic ();
   update_script_combo ();
   update_features ();
   update_font_variations ();
@@ -1261,7 +1296,7 @@ font_features_script_changed (void)
   update_display ();
 }
 
-G_MODULE_EXPORT void
+static void
 font_features_reset_features (void)
 {
   GList *l;
@@ -1355,6 +1390,9 @@ do_font_features (GtkWidget *do_widget)
       scope = gtk_builder_cscope_new ();
       gtk_builder_cscope_add_callback (scope, basic_value_changed);
       gtk_builder_cscope_add_callback (scope, basic_entry_activated);
+      gtk_builder_cscope_add_callback (scope, font_features_reset_basic);
+      gtk_builder_cscope_add_callback (scope, font_features_reset_features);
+      gtk_builder_cscope_add_callback (scope, font_features_reset_variations);
       gtk_builder_set_scope (builder, scope);
 
       demo = g_new0 (FontFeaturesDemo, 1);

diff --git a/demos/gtk-demo/font_features.ui b/demos/gtk-demo/font_features.ui
index 844638641c37c66dacf7573afd3e576db3d9a561..4a707b532ff3a91edc9c3202a5c7d7cca51d46bb 100644 (file)
--- a/demos/gtk-demo/font_features.ui
+++ b/demos/gtk-demo/font_features.ui
@@ -2,26 +2,26 @@
 <interface>
   <object class="GtkAdjustment" id="size_adjustment">
     <property name="lower">7</property>
+    <property name="upper">100</property>
     <property name="value">14</property>
     <property name="step_increment">0.5</property>
     <property name="page_increment">10</property>
-    <property name="upper">100</property>
     <signal name="value-changed" handler="basic_value_changed" object="size_entry" swapped="false"/>
   </object>
   <object class="GtkAdjustment" id="letterspacing_adjustment">
-    <property name="lower">0</property>
+    <property name="lower">-1024</property>
+    <property name="upper">8192</property>
     <property name="value">0</property>
     <property name="step_increment">1</property>
     <property name="page_increment">512</property>
-    <property name="upper">10240</property>
     <signal name="value-changed" handler="basic_value_changed" object="letterspacing_entry" swapped="false"/>
   </object>
   <object class="GtkAdjustment" id="line_height_adjustment">
-    <property name="lower">1</property>
-    <property name="value">1</property>
+    <property name="lower">0.75</property>
+    <property name="upper">2.5</property>
+    <property name="value">1.0</property>
     <property name="step_increment">0.1</property>
     <property name="page_increment">1</property>
-    <property name="upper">3</property>
     <signal name="value-changed" handler="basic_value_changed" object="line_height_entry" swapped="false"/>
   </object>
   <object class="GtkWindow" id="window">
@@ -35,7 +35,9 @@
             <property name="receives-default">1</property>
             <property name="tooltip-text">Reset</property>
             <property name="icon-name">view-refresh-symbolic</property>
+            <signal name="clicked" handler="font_features_reset_basic" swapped="no"/>
             <signal name="clicked" handler="font_features_reset_features" swapped="no"/>
+            <signal name="clicked" handler="font_features_reset_variations" swapped="no"/>
           </object>
         </child>
       </object>
@@ -59,7 +61,7 @@
                       <object class="GtkFontButton" id="font">
                         <property name="receives-default">1</property>
                         <property name="font">Sans 12</property>
-                        <property name="level">family|style|size|variations|features</property>
+                        <property name="level">family|style</property>
                         <signal name="font-set" handler="font_features_font_changed" swapped="no"/>
                       </object>
                     </child>
@@ -240,87 +242,93 @@
           </object>
         </child>
         <child>
-          <object class="GtkBox">
-            <property name="orientation">vertical</property>
-            <property name="hexpand">1</property>
-            <property name="vexpand">1</property>
-            <property name="margin-start">20</property>
-            <property name="margin-end">20</property>
-            <property name="margin-top">20</property>
-            <property name="margin-bottom">20</property>
-            <property name="spacing">20</property>
+          <object class="GtkScrolledWindow">
+            <property name="hscrollbar-policy">never</property>
+            <property name="vscrollbar-policy">automatic</property>
             <child>
-              <object class="GtkStack" id="stack">
+              <object class="GtkBox">
+                <property name="orientation">vertical</property>
+                <property name="hexpand">1</property>
+                <property name="vexpand">1</property>
+                <property name="margin-start">20</property>
+                <property name="margin-end">20</property>
+                <property name="margin-top">20</property>
+                <property name="margin-bottom">20</property>
+                <property name="spacing">20</property>
                 <child>
-                  <object class="GtkStackPage">
-                    <property name="name">label</property>
-                    <property name="child">
-                      <object class="GtkLabel" id="label">
-                        <property name="wrap">1</property>
-                        <property name="xalign">0</property>
-                        <property name="yalign">0</property>
-                        <property name="valign">start</property>
-                        <property name="selectable">1</property>
+                  <object class="GtkStack" id="stack">
+                    <child>
+                      <object class="GtkStackPage">
+                        <property name="name">label</property>
+                        <property name="child">
+                          <object class="GtkLabel" id="label">
+                            <property name="wrap">1</property>
+                            <property name="xalign">0</property>
+                            <property name="yalign">0</property>
+                            <property name="valign">start</property>
+                            <property name="selectable">1</property>
+                          </object>
+                        </property>
                       </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">entry</property>
-                    <property name="child">
-                      <object class="GtkEntry" id="entry">
-                        <property name="text">Grumpy wizards make toxic brew for the evil Queen and Jack. A quick movement of the enemy will jeopardize six gunboats. The job of waxing linoleum frequently peeves chintzy kids. My girl wove six dozen plaid jackets before she quit. Twelve ziggurats quickly jumped a finch box.
+                    </child>
+                    <child>
+                      <object class="GtkStackPage">
+                        <property name="name">entry</property>
+                        <property name="child">
+                          <object class="GtkEntry" id="entry">
+                            <property name="text">Grumpy wizards make toxic brew for the evil Queen and Jack. A quick movement of the enemy will jeopardize six gunboats. The job of waxing linoleum frequently peeves chintzy kids. My girl wove six dozen plaid jackets before she quit. Twelve ziggurats quickly jumped a finch box.
 
-Разъяренный чтец эгоистично бьёт пятью жердями шустрого фехтовальщика. Наш банк вчера же выплатил Ф.Я. Эйхгольду комиссию за ценные вещи. Эх, чужак, общий съём цен шляп (юфть) – вдрызг! В чащах юга жил бы цитрус? Да, но фальшивый экземпляр!
+    Разъяренный чтец эгоистично бьёт пятью жердями шустрого фехтовальщика. Наш банк вчера же выплатил Ф.Я. Эйхгольду комиссию за ценные вещи. Эх, чужак, общий съём цен шляп (юфть) – вдрызг! В чащах юга жил бы цитрус? Да, но фальшивый экземпляр!
 
-Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός</property>
-                        <signal name="activate" handler="font_features_stop_edit"/>
-                        <property name="valign">start</property>
-                        <property name="width-chars">50</property>
+    Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός</property>
+                            <signal name="activate" handler="font_features_stop_edit"/>
+                            <property name="valign">start</property>
+                            <property name="width-chars">50</property>
+                          </object>
+                        </property>
                       </object>
-                    </property>
+                    </child>
                   </object>
                 </child>
-              </object>
-            </child>
-            <child>
-              <object class="GtkLabel" id="settings">
-                <property name="wrap">1</property>
-                <property name="xalign">0</property>
-                <property name="valign">end</property>
-                <property name="width-chars">50</property>
-                <property name="max-width-chars">50</property>
-                <property name="hexpand">1</property>
-                <property name="vexpand">1</property>
-                <style>
-                  <class name="monospace"/>
-                </style>
-              </object>
-            </child>
-            <child>
-              <object class="GtkBox">
-                <property name="spacing">10</property>
                 <child>
-                  <object class="GtkLabel" id="description">
+                  <object class="GtkLabel" id="settings">
                     <property name="wrap">1</property>
-                    <property name="wrap-mode">char</property>
                     <property name="xalign">0</property>
                     <property name="valign">end</property>
                     <property name="width-chars">50</property>
                     <property name="max-width-chars">50</property>
                     <property name="hexpand">1</property>
+                    <property name="vexpand">1</property>
                     <style>
                       <class name="monospace"/>
                     </style>
                   </object>
                 </child>
                 <child>
-                  <object class="GtkToggleButton" id="edit_toggle">
-                    <property name="icon-name">document-edit-symbolic</property>
-                    <property name="halign">end</property>
-                    <property name="valign">end</property>
-                    <signal name="toggled" handler="font_features_toggle_edit"/>
+                  <object class="GtkBox">
+                    <property name="spacing">10</property>
+                    <child>
+                      <object class="GtkLabel" id="description">
+                        <property name="wrap">1</property>
+                        <property name="wrap-mode">char</property>
+                        <property name="xalign">0</property>
+                        <property name="valign">end</property>
+                        <property name="width-chars">50</property>
+                        <property name="max-width-chars">50</property>
+                        <property name="hexpand">1</property>
+                        <style>
+                          <class name="monospace"/>
+                        </style>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkToggleButton" id="edit_toggle">
+                        <property name="icon-name">document-edit-symbolic</property>
+                        <property name="halign">end</property>
+                        <property name="valign">end</property>
+                        <signal name="toggled" handler="font_features_toggle_edit"/>
+                      </object>
+                    </child>
                   </object>
                 </child>
               </object>