[gnome-builder] Revert "Stop using deprecated gtk_style_context_get_*color() functions"

[Christian Hergert <chergert src gnome org>]

commit 484f223c86472b2b06555947914fa958b6f41bb0
Author: Christian Hergert <chergert redhat com>
Date:   Sat Apr 3 12:57:31 2021 -0700

    Revert "Stop using deprecated gtk_style_context_get_*color() functions"
    
    This reverts commit a012c9efd0bda9a46cc3b0a2d5ca702ef87e525d.

 src/libide/terminal/ide-terminal-page.c            |  9 +++++++--
 src/libide/terminal/ide-terminal.c                 |  9 +++++++--
 src/plugins/glade/gbp-glade-page.c                 |  6 ++++--
 src/plugins/ls/gbp-ls-page.c                       |  8 ++++++--
 src/plugins/omni-gutter/gbp-omni-gutter-renderer.c | 10 ++++++++--
 5 files changed, 32 insertions(+), 10 deletions(-)
---
diff --git a/src/libide/terminal/ide-terminal-page.c b/src/libide/terminal/ide-terminal-page.c
index e6d0d687d..a4d3b7459 100644
--- a/src/libide/terminal/ide-terminal-page.c
+++ b/src/libide/terminal/ide-terminal-page.c
@@ -297,14 +297,19 @@ static void
 style_context_changed (GtkStyleContext *style_context,
                        IdeTerminalPage *self)
 {
+  GtkStateFlags state;
   GdkRGBA fg;
   GdkRGBA bg;
 
   g_assert (GTK_IS_STYLE_CONTEXT (style_context));
   g_assert (IDE_IS_TERMINAL_PAGE (self));
 
-  gtk_style_context_lookup_color (style_context, "theme_text_color", &fg);
-  gtk_style_context_lookup_color (style_context, "text_view_bg", &bg);
+  state = gtk_style_context_get_state (style_context);
+
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_color (style_context, state, &fg);
+  gtk_style_context_get_background_color (style_context, state, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
 
   if (bg.alpha == 0.0)
     gdk_rgba_parse (&bg, "#f6f7f8");
diff --git a/src/libide/terminal/ide-terminal.c b/src/libide/terminal/ide-terminal.c
index 817707eb4..175d8d727 100644
--- a/src/libide/terminal/ide-terminal.c
+++ b/src/libide/terminal/ide-terminal.c
@@ -95,14 +95,19 @@ static void
 style_context_changed (IdeTerminal *self,
                        GtkStyleContext *style_context)
 {
+  GtkStateFlags state;
   GdkRGBA fg;
   GdkRGBA bg;
 
   g_assert (GTK_IS_STYLE_CONTEXT (style_context));
   g_assert (IDE_IS_TERMINAL (self));
 
-  gtk_style_context_lookup_color (style_context, "theme_text_color", &fg);
-  gtk_style_context_lookup_color (style_context, "text_view_bg", &bg);
+  state = gtk_style_context_get_state (style_context);
+
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_color (style_context, state, &fg);
+  gtk_style_context_get_background_color (style_context, state, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
 
   if (bg.alpha == 0.0)
     gdk_rgba_parse (&bg, "#f6f7f8");
diff --git a/src/plugins/glade/gbp-glade-page.c b/src/plugins/glade/gbp-glade-page.c
index 2f5e69783..d60abcd72 100644
--- a/src/plugins/glade/gbp-glade-page.c
+++ b/src/plugins/glade/gbp-glade-page.c
@@ -277,8 +277,10 @@ viewport_style_changed_cb (GbpGladePage    *self,
   g_assert (GBP_IS_GLADE_PAGE (self));
   g_assert (GTK_IS_STYLE_CONTEXT (style_context));
 
-  gtk_style_context_lookup_color (style_context, "theme_fg_color", &fg);
-  gtk_style_context_lookup_color (style_context, "theme_base_color", &bg);
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_color (style_context, GTK_STATE_FLAG_NORMAL, &fg);
+  gtk_style_context_get_background_color (style_context, GTK_STATE_FLAG_NORMAL, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
 
   ide_page_set_primary_color_bg (IDE_PAGE (self), &bg);
   ide_page_set_primary_color_fg (IDE_PAGE (self), &fg);
diff --git a/src/plugins/ls/gbp-ls-page.c b/src/plugins/ls/gbp-ls-page.c
index 44af4154c..a438eea6a 100644
--- a/src/plugins/ls/gbp-ls-page.c
+++ b/src/plugins/ls/gbp-ls-page.c
@@ -140,6 +140,7 @@ gbp_ls_page_style_updated (GtkWidget *widget)
 {
   GbpLsPage *self = (GbpLsPage *)widget;
   GtkStyleContext *style_context;
+  GtkStateFlags state;
   GdkRGBA bg, fg;
 
   g_assert (GBP_IS_LS_PAGE (self));
@@ -148,9 +149,12 @@ gbp_ls_page_style_updated (GtkWidget *widget)
     GTK_WIDGET_CLASS (gbp_ls_page_parent_class)->style_updated (widget);
 
   style_context = gtk_widget_get_style_context (GTK_WIDGET (self->tree_view));
+  state = gtk_style_context_get_state (style_context);
 
-  gtk_style_context_lookup_color (style_context, "theme_fg_color", &fg);
-  gtk_style_context_lookup_color (style_context, "theme_base_color", &bg);
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_color (style_context, state, &fg);
+  gtk_style_context_get_background_color (style_context, state, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
 
   ide_page_set_primary_color_bg (IDE_PAGE (self), &bg);
   ide_page_set_primary_color_fg (IDE_PAGE (self), &fg);
diff --git a/src/plugins/omni-gutter/gbp-omni-gutter-renderer.c 
b/src/plugins/omni-gutter/gbp-omni-gutter-renderer.c
index 9466c01aa..5bb5d41a3 100644
--- a/src/plugins/omni-gutter/gbp-omni-gutter-renderer.c
+++ b/src/plugins/omni-gutter/gbp-omni-gutter-renderer.c
@@ -385,7 +385,9 @@ static void
 reload_style_colors (GbpOmniGutterRenderer *self,
                      GtkSourceStyleScheme  *scheme)
 {
+  GtkStyleContext *context;
   GtkTextView *view;
+  GtkStateFlags state;
   GdkRGBA fg;
   GdkRGBA bg;
 
@@ -396,8 +398,12 @@ reload_style_colors (GbpOmniGutterRenderer *self,
   if (view == NULL)
     return;
 
-  get_style_rgba (scheme, "line-numbers", FOREGROUND, &fg);
-  get_style_rgba (scheme, "line-numbers", BACKGROUND, &bg);
+  context = gtk_widget_get_style_context (GTK_WIDGET (view));
+  state = gtk_style_context_get_state (context);
+  gtk_style_context_get_color (context, state, &fg);
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_background_color (context, state, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
 
   /* Extract common values from style schemes. */
   if (!get_style_rgba (scheme, "line-numbers", FOREGROUND, &self->text.fg))