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[libadwaita/wip/exalm/deprecations] Fix GtkStyleContext deprecations


commit 426e3649709f48e69a749eca9978ee802eff1954
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Oct 14 22:54:02 2022 +0400

    Fix GtkStyleContext deprecations

 src/adw-carousel-indicator-dots.c     | 15 ++------------
 src/adw-carousel-indicator-lines.c    | 17 +++-------------
 src/adw-flap.c                        | 14 +++++--------
 src/adw-tab-box.c                     | 20 ++++--------------
 src/adw-tab-grid.c                    | 20 ++++--------------
 src/adw-tab-overview.c                | 38 ++++++++++-------------------------
 src/adw-tab-thumbnail.c               |  8 +++-----
 src/adw-tab-view.c                    | 13 +++++-------
 src/adw-widget-utils-private.h        |  7 +++++++
 src/adw-widget-utils.c                | 26 ++++++++++++++++++++++++
 src/stylesheet/widgets/_tab-view.scss |  5 -----
 11 files changed, 70 insertions(+), 113 deletions(-)
---
diff --git a/src/adw-carousel-indicator-dots.c b/src/adw-carousel-indicator-dots.c
index 42cbf609..5cf167b4 100644
--- a/src/adw-carousel-indicator-dots.c
+++ b/src/adw-carousel-indicator-dots.c
@@ -12,6 +12,7 @@
 #include "adw-macros-private.h"
 #include "adw-swipeable.h"
 #include "adw-timed-animation.h"
+#include "adw-widget-utils-private.h"
 
 #include <math.h>
 
@@ -72,18 +73,6 @@ enum {
 
 static GParamSpec *props[LAST_PROP];
 
-static GdkRGBA
-get_color (GtkWidget *widget)
-{
-  GtkStyleContext *context;
-  GdkRGBA color;
-
-  context = gtk_widget_get_style_context (widget);
-  gtk_style_context_get_color (context, &color);
-
-  return color;
-}
-
 static void
 snapshot_dots (GtkWidget      *widget,
                GtkSnapshot    *snapshot,
@@ -98,7 +87,7 @@ snapshot_dots (GtkWidget      *widget,
   double current_position, remaining_progress;
   graphene_rect_t rect;
 
-  color = get_color (widget);
+  adw_widget_get_style_color (widget, &color);
   dot_size = 2 * DOTS_RADIUS_SELECTED + DOTS_SPACING;
 
   indicator_length = -DOTS_SPACING;
diff --git a/src/adw-carousel-indicator-lines.c b/src/adw-carousel-indicator-lines.c
index 0d25d337..719ab96b 100644
--- a/src/adw-carousel-indicator-lines.c
+++ b/src/adw-carousel-indicator-lines.c
@@ -11,6 +11,7 @@
 #include "adw-macros-private.h"
 #include "adw-swipeable.h"
 #include "adw-timed-animation.h"
+#include "adw-widget-utils-private.h"
 
 #include <math.h>
 
@@ -70,18 +71,6 @@ enum {
 
 static GParamSpec *props[LAST_PROP];
 
-static GdkRGBA
-get_color (GtkWidget *widget)
-{
-  GtkStyleContext *context;
-  GdkRGBA color;
-
-  context = gtk_widget_get_style_context (widget);
-  gtk_style_context_get_color (context, &color);
-
-  return color;
-}
-
 static void
 snapshot_lines (GtkWidget      *widget,
                 GtkSnapshot    *snapshot,
@@ -95,7 +84,7 @@ snapshot_lines (GtkWidget      *widget,
   double indicator_length, full_size, line_size;
   double x = 0, y = 0, pos;
 
-  color = get_color (widget);
+  adw_widget_get_style_color (widget, &color);
   color.alpha *= LINE_OPACITY;
 
   line_size = LINE_LENGTH + LINE_SPACING;
@@ -143,7 +132,7 @@ snapshot_lines (GtkWidget      *widget,
     pos += (LINE_LENGTH + LINE_SPACING) * sizes[i];
   }
 
-  color = get_color (widget);
+  adw_widget_get_style_color (widget, &color);
   color.alpha *= LINE_OPACITY_ACTIVE;
 
   pos = position * (LINE_LENGTH + LINE_SPACING);
diff --git a/src/adw-flap.c b/src/adw-flap.c
index aab2c897..6e47f431 100644
--- a/src/adw-flap.c
+++ b/src/adw-flap.c
@@ -363,8 +363,6 @@ static void
 set_folded (AdwFlap  *self,
             gboolean  folded)
 {
-  GtkStyleContext *context;
-
   folded = !!folded;
 
   if (self->folded == folded)
@@ -386,13 +384,12 @@ set_folded (AdwFlap  *self,
   if (!self->locked)
     set_reveal_flap (self, !self->folded, 0);
 
-  context = gtk_widget_get_style_context (GTK_WIDGET (self));
   if (folded) {
-    gtk_style_context_add_class (context, "folded");
-    gtk_style_context_remove_class (context, "unfolded");
+    gtk_widget_add_css_class (GTK_WIDGET (self), "folded");
+    gtk_widget_remove_css_class (GTK_WIDGET (self), "unfolded");
   } else {
-    gtk_style_context_remove_class (context, "folded");
-    gtk_style_context_add_class (context, "unfolded");
+    gtk_widget_remove_css_class (GTK_WIDGET (self), "folded");
+    gtk_widget_add_css_class (GTK_WIDGET (self), "unfolded");
   }
 
   g_object_notify_by_pspec (G_OBJECT (self), props[PROP_FOLDED]);
@@ -1532,7 +1529,6 @@ flap_close_cb (AdwFlap *self)
 static void
 adw_flap_init (AdwFlap *self)
 {
-  GtkStyleContext *context = gtk_widget_get_style_context (GTK_WIDGET (self));
   GtkEventController *gesture;
   GtkShortcut *shortcut;
   AdwAnimationTarget *target;
@@ -1582,7 +1578,7 @@ adw_flap_init (AdwFlap *self)
 
   gtk_widget_set_overflow (GTK_WIDGET (self), GTK_OVERFLOW_HIDDEN);
 
-  gtk_style_context_add_class (context, "unfolded");
+  gtk_widget_add_css_class (GTK_WIDGET (self), "unfolded");
 
   target = adw_callback_animation_target_new ((AdwAnimationTargetFunc)
                                               fold_animation_value_cb,
diff --git a/src/adw-tab-box.c b/src/adw-tab-box.c
index 1c2ca064..62045046 100644
--- a/src/adw-tab-box.c
+++ b/src/adw-tab-box.c
@@ -50,7 +50,6 @@ typedef struct {
   GdkDrag *drag;
 
   AdwTab *tab;
-  GtkBorder tab_margin;
 
   int hotspot_x;
   int hotspot_y;
@@ -2455,15 +2454,11 @@ icon_resize_animation_value_cb (double    value,
 
   icon->width = (int) round (value);
 
-  gtk_widget_set_size_request (GTK_WIDGET (icon->tab),
-                               icon->width + icon->tab_margin.left + icon->tab_margin.right,
-                               -1);
+  gtk_widget_set_size_request (GTK_WIDGET (icon->tab),  icon->width, -1);
 
   icon->hotspot_x = (int) round (icon->width * relative_pos);
 
-  gdk_drag_set_hotspot (icon->drag,
-                        icon->hotspot_x + icon->tab_margin.left,
-                        icon->hotspot_y + icon->tab_margin.top);
+  gdk_drag_set_hotspot (icon->drag, icon->hotspot_x, icon->hotspot_y);
 
   gtk_widget_queue_resize (GTK_WIDGET (icon->tab));
 }
@@ -2491,19 +2486,12 @@ create_drag_icon (AdwTabBox *self,
   gtk_drag_icon_set_child (GTK_DRAG_ICON (gtk_drag_icon_get_for_drag (drag)),
                            GTK_WIDGET (icon->tab));
 
-  gtk_style_context_get_margin (gtk_widget_get_style_context (GTK_WIDGET (icon->tab)),
-                                &icon->tab_margin);
-
-  gtk_widget_set_size_request (GTK_WIDGET (icon->tab),
-                               icon->width + icon->tab_margin.left + icon->tab_margin.right,
-                               -1);
+  gtk_widget_set_size_request (GTK_WIDGET (icon->tab), icon->width, -1);
 
   icon->hotspot_x = (int) self->drag_offset_x;
   icon->hotspot_y = (int) self->drag_offset_y;
 
-  gdk_drag_set_hotspot (drag,
-                        icon->hotspot_x + icon->tab_margin.left,
-                        icon->hotspot_y + icon->tab_margin.top);
+  gdk_drag_set_hotspot (drag, icon->hotspot_x, icon->hotspot_y);
 
   target = adw_callback_animation_target_new ((AdwAnimationTargetFunc)
                                               icon_resize_animation_value_cb,
diff --git a/src/adw-tab-grid.c b/src/adw-tab-grid.c
index e459a91a..3631aeb8 100644
--- a/src/adw-tab-grid.c
+++ b/src/adw-tab-grid.c
@@ -60,7 +60,6 @@ typedef struct {
   GdkDrag *drag;
 
   AdwTabThumbnail *tab;
-  GtkBorder tab_margin;
 
   int hotspot_x;
   int hotspot_y;
@@ -2439,16 +2438,12 @@ icon_resize_animation_value_cb (double    value,
   icon->width = (int) round (adw_lerp (icon->initial_width, icon->target_width, value));
   icon->height = (int) round (adw_lerp (icon->initial_height, icon->target_height, value));
 
-  gtk_widget_set_size_request (GTK_WIDGET (icon->tab),
-                               icon->width + icon->tab_margin.left + icon->tab_margin.right,
-                               icon->height + icon->tab_margin.top + icon->tab_margin.bottom);
+  gtk_widget_set_size_request (GTK_WIDGET (icon->tab), icon->width, icon->height);
 
   icon->hotspot_x = (int) round (icon->width * relative_x);
   icon->hotspot_y = (int) round (icon->height * relative_y);
 
-  gdk_drag_set_hotspot (icon->drag,
-                        icon->hotspot_x + icon->tab_margin.left,
-                        icon->hotspot_y + icon->tab_margin.top);
+  gdk_drag_set_hotspot (icon->drag, icon->hotspot_x, icon->hotspot_y);
 
   gtk_widget_queue_resize (GTK_WIDGET (icon->tab));
 }
@@ -2480,19 +2475,12 @@ create_drag_icon (AdwTabGrid *self,
   gtk_drag_icon_set_child (GTK_DRAG_ICON (gtk_drag_icon_get_for_drag (drag)),
                            GTK_WIDGET (icon->tab));
 
-  gtk_style_context_get_margin (gtk_widget_get_style_context (GTK_WIDGET (icon->tab)),
-                                &icon->tab_margin);
-
-  gtk_widget_set_size_request (GTK_WIDGET (icon->tab),
-                               icon->width + icon->tab_margin.left + icon->tab_margin.right,
-                               icon->height + icon->tab_margin.top + icon->tab_margin.bottom);
+  gtk_widget_set_size_request (GTK_WIDGET (icon->tab), icon->width, icon->height);
 
   icon->hotspot_x = (int) self->drag_offset_x;
   icon->hotspot_y = (int) self->drag_offset_y;
 
-  gdk_drag_set_hotspot (drag,
-                        icon->hotspot_x + icon->tab_margin.left,
-                        icon->hotspot_y + icon->tab_margin.top);
+  gdk_drag_set_hotspot (drag, icon->hotspot_x, icon->hotspot_y);
 
   target = adw_callback_animation_target_new ((AdwAnimationTargetFunc)
                                               icon_resize_animation_value_cb,
diff --git a/src/adw-tab-overview.c b/src/adw-tab-overview.c
index 238deabc..49c569e1 100644
--- a/src/adw-tab-overview.c
+++ b/src/adw-tab-overview.c
@@ -1047,9 +1047,7 @@ should_round_corners (AdwTabOverview *self,
                       gboolean       *round_bottom_right)
 {
   GtkRoot *root = gtk_widget_get_root (GTK_WIDGET (self));
-  GtkBorder border, padding, window_border, window_padding;
   graphene_rect_t bounds;
-  GtkStyleContext *context;
   GdkSurface *surface;
   GdkToplevelState state;
   gboolean top_left = TRUE;
@@ -1077,40 +1075,29 @@ should_round_corners (AdwTabOverview *self,
                 GDK_TOPLEVEL_STATE_LEFT_TILED)) > 0)
     return;
 
-  context = gtk_widget_get_style_context (GTK_WIDGET (root));
-
-  if (!gtk_style_context_has_class (context, "csd") ||
-      gtk_style_context_has_class (context, "solid-csd"))
+  if (!gtk_widget_has_css_class (GTK_WIDGET (root), "csd") ||
+      gtk_widget_has_css_class (GTK_WIDGET (root), "solid-csd"))
     return;
 
-  gtk_style_context_get_border (context, &window_border);
-  gtk_style_context_get_padding (context, &window_padding);
-
-  context = gtk_widget_get_style_context (GTK_WIDGET (self));
-  gtk_style_context_get_border (context, &border);
-  gtk_style_context_get_padding (context, &padding);
-
-  if (!gtk_widget_compute_bounds (GTK_WIDGET (self), GTK_WIDGET (root), &bounds))
+  if (!gtk_widget_compute_bounds (GTK_WIDGET (self->child_bin), GTK_WIDGET (root), &bounds))
     return;
 
-  if (border.left + padding.left + window_border.left + window_padding.left + bounds.origin.x > 0) {
+  if (bounds.origin.x > 0) {
     top_left = FALSE;
     bottom_left = FALSE;
   }
 
-  if (border.right + padding.right + window_border.right + window_padding.right > 0 ||
-      bounds.origin.x + bounds.size.width < gtk_widget_get_width (GTK_WIDGET (root))) {
+  if (bounds.origin.x + bounds.size.width < gtk_widget_get_width (GTK_WIDGET (root))) {
     top_right = FALSE;
     bottom_right = FALSE;
   }
 
-  if (border.top + padding.top + window_border.top + window_padding.top + bounds.origin.y > 0) {
+  if (bounds.origin.y > 0) {
     top_left = FALSE;
     top_right = FALSE;
   }
 
-  if (border.bottom + padding.bottom + window_border.bottom + window_padding.bottom > 0 ||
-      bounds.origin.y + bounds.size.height < gtk_widget_get_height (GTK_WIDGET (root))) {
+  if (bounds.origin.y + bounds.size.height < gtk_widget_get_height (GTK_WIDGET (root))) {
     bottom_left = FALSE;
     bottom_right = FALSE;
   }
@@ -1184,8 +1171,7 @@ adw_tab_overview_snapshot (GtkWidget   *widget,
   gtk_widget_snapshot_child (widget, self->overview, snapshot);
 
   /* Draw dim layer */
-  if (!gtk_style_context_lookup_color (gtk_widget_get_style_context (widget),
-                                       "shade_color", &rgba))
+  if (!adw_widget_lookup_color (widget, "shade_color", &rgba))
     rgba.alpha = 0;
 
   rgba.alpha *= 1 - self->progress;
@@ -1207,9 +1193,8 @@ adw_tab_overview_snapshot (GtkWidget   *widget,
   gtk_widget_snapshot_child (widget, self->child_bin, snapshot);
 
   if (self->transition_pinned) {
-    GtkStyleContext *context = gtk_widget_get_style_context (self->transition_picture);
-
-    if (!gtk_style_context_lookup_color (context, "thumbnail_bg_color", &rgba))
+    if (!adw_widget_lookup_color (self->transition_picture,
+                                  "thumbnail_bg_color", &rgba))
       rgba.red = rgba.green = rgba.blue = rgba.alpha = 1;
 
     gtk_snapshot_pop (snapshot);
@@ -1224,8 +1209,7 @@ adw_tab_overview_snapshot (GtkWidget   *widget,
     rgba.red = rgba.green = rgba.blue = 0;
     rgba.alpha = 0.5;
   } else {
-    if (!gtk_style_context_lookup_color (gtk_widget_get_style_context (widget),
-                                         "shade_color", &rgba))
+    if (!adw_widget_lookup_color (widget, "shade_color", &rgba))
       rgba.alpha = 0;
   }
 
diff --git a/src/adw-tab-thumbnail.c b/src/adw-tab-thumbnail.c
index d4a43036..833764df 100644
--- a/src/adw-tab-thumbnail.c
+++ b/src/adw-tab-thumbnail.c
@@ -16,6 +16,7 @@
 #include "adw-timed-animation.h"
 
 #define FADE_TRANSITION_DURATION 250
+#define PINNED_MARGIN 10
 
 struct _AdwTabThumbnail
 {
@@ -292,7 +293,6 @@ allocate_pinned_tab (AdwGizmo *gizmo,
   int left_margin = 0, right_margin = 0;
   int box_pos, box_width;
   gboolean is_rtl;
-  GtkBorder margin;
 
   if (gtk_widget_should_layout (self->unpin_icon))
     gtk_widget_measure (self->unpin_icon, GTK_ORIENTATION_HORIZONTAL, -1,
@@ -304,8 +304,6 @@ allocate_pinned_tab (AdwGizmo *gizmo,
   gtk_widget_measure (self->icon_title_box, GTK_ORIENTATION_HORIZONTAL, -1,
                       NULL, &box_width, NULL, NULL);
 
-  gtk_style_context_get_margin (gtk_widget_get_style_context (GTK_WIDGET (gizmo)), &margin);
-
   is_rtl = gtk_widget_get_direction (GTK_WIDGET (gizmo)) == GTK_TEXT_DIR_RTL;
 
   if (is_rtl != self->inverted) {
@@ -314,8 +312,8 @@ allocate_pinned_tab (AdwGizmo *gizmo,
     right_margin = tmp;
   }
 
-  left_margin = MAX (left_margin - margin.left, 0);
-  right_margin = MAX (right_margin - margin.right, 0);
+  left_margin = MAX (left_margin, PINNED_MARGIN);
+  right_margin = MAX (right_margin, PINNED_MARGIN);
 
   box_width = MIN (width - right_margin - left_margin, box_width);
   box_pos = (width - box_width) / 2;
diff --git a/src/adw-tab-view.c b/src/adw-tab-view.c
index ccabd2e8..3910f52b 100644
--- a/src/adw-tab-view.c
+++ b/src/adw-tab-view.c
@@ -862,9 +862,8 @@ get_background_color (AdwTabPaintable *self,
                       GdkRGBA         *rgba)
 {
   GtkWidget *child = adw_tab_page_get_child (self->page);
-  GtkStyleContext *context = gtk_widget_get_style_context (child);
 
-  if (gtk_style_context_lookup_color (context, "thumbnail_bg_color", rgba))
+  if (adw_widget_lookup_color (child, "thumbnail_bg_color", rgba))
     return;
 
   rgba->red = 1;
@@ -950,7 +949,6 @@ snapshot_default_icon (GtkSnapshot *snapshot,
   GtkIconTheme *icon_theme;
   GIcon *default_icon;
   GtkIconPaintable *icon;
-  GtkStyleContext *context;
   GdkRGBA colors[4];
   double x, y;
   double view_width, view_height;
@@ -990,11 +988,10 @@ snapshot_default_icon (GtkSnapshot *snapshot,
                                          gtk_widget_get_direction (view),
                                          GTK_ICON_LOOKUP_FORCE_SYMBOLIC);
 
-  context = gtk_widget_get_style_context (view);
-  gtk_style_context_get_color (context, &colors[GTK_SYMBOLIC_COLOR_FOREGROUND]);
-  gtk_style_context_lookup_color (context, "error-color", &colors[GTK_SYMBOLIC_COLOR_ERROR]);
-  gtk_style_context_lookup_color (context, "warning-color", &colors[GTK_SYMBOLIC_COLOR_WARNING]);
-  gtk_style_context_lookup_color (context, "success-color", &colors[GTK_SYMBOLIC_COLOR_SUCCESS]);
+  adw_widget_get_style_color (view, &colors[GTK_SYMBOLIC_COLOR_FOREGROUND]);
+  adw_widget_lookup_color (view, "error-color", &colors[GTK_SYMBOLIC_COLOR_ERROR]);
+  adw_widget_lookup_color (view, "warning-color", &colors[GTK_SYMBOLIC_COLOR_WARNING]);
+  adw_widget_lookup_color (view, "success-color", &colors[GTK_SYMBOLIC_COLOR_SUCCESS]);
 
   hc = adw_style_manager_get_high_contrast (adw_style_manager_get_for_display (display));
 
diff --git a/src/adw-widget-utils-private.h b/src/adw-widget-utils-private.h
index 3f6f027d..adfdcc3d 100644
--- a/src/adw-widget-utils-private.h
+++ b/src/adw-widget-utils-private.h
@@ -41,4 +41,11 @@ void adw_widget_compute_expand_horizontal_only (GtkWidget *widget,
 
 GtkSizeRequestMode adw_widget_get_request_mode (GtkWidget *widget);
 
+void adw_widget_get_style_color (GtkWidget *widget,
+                                 GdkRGBA   *rgba);
+
+gboolean adw_widget_lookup_color (GtkWidget  *widget,
+                                  const char *name,
+                                  GdkRGBA    *rgba);
+
 G_END_DECLS
diff --git a/src/adw-widget-utils.c b/src/adw-widget-utils.c
index 9541fb89..1b4b57d5 100644
--- a/src/adw-widget-utils.c
+++ b/src/adw-widget-utils.c
@@ -543,3 +543,29 @@ adw_widget_get_request_mode (GtkWidget *widget)
         GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT :
         GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
 }
+
+void
+adw_widget_get_style_color (GtkWidget *widget,
+                            GdkRGBA   *rgba)
+{
+#if GTK_CHECK_VERSION (4, 9, 1)
+  gtk_widget_get_style_color (widget, rgba);
+#else
+  GtkStyleContext *context = gtk_widget_get_style_context (widget);
+
+  gtk_style_context_get_color (context, rgba);
+#endif
+}
+
+/* FIXME: Replace this with public color API and make public */
+gboolean
+adw_widget_lookup_color (GtkWidget  *widget,
+                         const char *name,
+                         GdkRGBA    *rgba)
+{
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+  GtkStyleContext *context = gtk_widget_get_style_context (widget);
+
+  return gtk_style_context_lookup_color (context, name, rgba);
+G_GNUC_END_IGNORE_DEPRECATIONS
+}
diff --git a/src/stylesheet/widgets/_tab-view.scss b/src/stylesheet/widgets/_tab-view.scss
index a8549813..f2ccfdd6 100644
--- a/src/stylesheet/widgets/_tab-view.scss
+++ b/src/stylesheet/widgets/_tab-view.scss
@@ -198,11 +198,6 @@ tabthumbnail {
     }
   }
 
-  .pinned-box {
-    margin-left: 10px;
-    margin-right: 10px;
-  }
-
   .icon-title-box {
     border-spacing: 6px;
   }
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