week-view: Port to GTK4

2022-02-12 13:08:50 -03:00
parent 132d4435f6
commit b31b16da17
15 changed files with 1040 additions and 1354 deletions
@@ -0,0 +1,87 @@
+/* gcal-week-view-common.c
+ *
+ * Copyright 2022 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "gcal-week-view-common.h"
+#include "gcal-utils.h"
+
+void
+gcal_week_view_common_snapshot_hour_lines (GtkWidget      *widget,
+                                           GtkSnapshot    *snapshot,
+                                           GtkOrientation  orientation,
+                                           const GdkRGBA  *line_color,
+                                           gint            width,
+                                           gint            height)
+{
+  GdkRGBA color;
+  gboolean ltr;
+  gdouble column_width;
+  guint i;
+
+  ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
+  color = *line_color;
+
+  column_width = width / 7.0;
+
+  switch (orientation)
+    {
+    case GTK_ORIENTATION_HORIZONTAL:
+      for (i = 0; i < 7; i++)
+        {
+          gdouble x;
+
+          if (ltr)
+            x = column_width * i;
+          else
+            x = width - column_width * i;
+
+          gtk_snapshot_append_color (snapshot,
+                                     &color,
+                                     &GRAPHENE_RECT_INIT (x, 0.f, 1.0, height));
+        }
+      break;
+
+
+    case GTK_ORIENTATION_VERTICAL:
+      /* Main lines */
+      for (i = 1; i < 24; i++)
+        {
+          gtk_snapshot_append_color (snapshot,
+                                     line_color,
+                                     &GRAPHENE_RECT_INIT (0.f,
+                                                          ALIGNED ((height / 24.0) * i),
+                                                          width,
+                                                          1.0));
+        }
+
+      /* In-between lines */
+      color.alpha /= 2.0;
+      for (i = 0; i < 24; i++)
+        {
+          gdouble half_cell_height = (height / 24.0) / 2.0;
+          gtk_snapshot_append_color (snapshot,
+                                     &color,
+                                     &GRAPHENE_RECT_INIT (0.f,
+                                                          ALIGNED ((height / 24.0) * i + half_cell_height),
+                                                          width,
+                                                          1.0));
+        }
+      break;
+    }
+}