Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 293 insertions, 0 deletions

diff --git a/app/tools/gimpmagnifytool.c b/app/tools/gimpmagnifytool.c
new file mode 100644
index 0000000..8c5f5d3
--- /dev/null
+++ b/app/tools/gimpmagnifytool.c
@@ -0,0 +1,293 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpmath/gimpmath.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimpimage.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "display/gimpcanvasrectangle.h"
+#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
+#include "display/gimpdisplayshell-scale.h"
+
+#include "gimpmagnifyoptions.h"
+#include "gimpmagnifytool.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+static void   gimp_magnify_tool_button_press   (GimpTool              *tool,
+                                                const GimpCoords      *coords,
+                                                guint32                time,
+                                                GdkModifierType        state,
+                                                GimpButtonPressType    press_type,
+                                                GimpDisplay           *display);
+static void   gimp_magnify_tool_button_release (GimpTool              *tool,
+                                                const GimpCoords      *coords,
+                                                guint32                time,
+                                                GdkModifierType        state,
+                                                GimpButtonReleaseType  release_type,
+                                                GimpDisplay           *display);
+static void   gimp_magnify_tool_motion         (GimpTool              *tool,
+                                                const GimpCoords      *coords,
+                                                guint32                time,
+                                                GdkModifierType        state,
+                                                GimpDisplay           *display);
+static void   gimp_magnify_tool_modifier_key   (GimpTool              *tool,
+                                                GdkModifierType        key,
+                                                gboolean               press,
+                                                GdkModifierType        state,
+                                                GimpDisplay           *display);
+static void   gimp_magnify_tool_cursor_update  (GimpTool              *tool,
+                                                const GimpCoords      *coords,
+                                                GdkModifierType        state,
+                                                GimpDisplay           *display);
+
+static void   gimp_magnify_tool_draw           (GimpDrawTool          *draw_tool);
+
+static void   gimp_magnify_tool_update_items   (GimpMagnifyTool       *magnify);
+
+
+G_DEFINE_TYPE (GimpMagnifyTool, gimp_magnify_tool, GIMP_TYPE_DRAW_TOOL)
+
+#define parent_class gimp_magnify_tool_parent_class
+
+
+void
+gimp_magnify_tool_register (GimpToolRegisterCallback  callback,
+                            gpointer                  data)
+{
+  (* callback) (GIMP_TYPE_MAGNIFY_TOOL,
+                GIMP_TYPE_MAGNIFY_OPTIONS,
+                gimp_magnify_options_gui,
+                0,
+                "gimp-zoom-tool",
+                _("Zoom"),
+                _("Zoom Tool: Adjust the zoom level"),
+                N_("_Zoom"), "Z",
+                NULL, GIMP_HELP_TOOL_ZOOM,
+                GIMP_ICON_TOOL_ZOOM,
+                data);
+}
+
+static void
+gimp_magnify_tool_class_init (GimpMagnifyToolClass *klass)
+{
+  GimpToolClass     *tool_class      = GIMP_TOOL_CLASS (klass);
+  GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
+
+  tool_class->button_press   = gimp_magnify_tool_button_press;
+  tool_class->button_release = gimp_magnify_tool_button_release;
+  tool_class->motion         = gimp_magnify_tool_motion;
+  tool_class->modifier_key   = gimp_magnify_tool_modifier_key;
+  tool_class->cursor_update  = gimp_magnify_tool_cursor_update;
+
+  draw_tool_class->draw      = gimp_magnify_tool_draw;
+}
+
+static void
+gimp_magnify_tool_init (GimpMagnifyTool *magnify_tool)
+{
+  GimpTool *tool = GIMP_TOOL (magnify_tool);
+
+  gimp_tool_control_set_scroll_lock            (tool->control, TRUE);
+  gimp_tool_control_set_handle_empty_image     (tool->control, TRUE);
+  gimp_tool_control_set_wants_click            (tool->control, TRUE);
+  gimp_tool_control_set_snap_to                (tool->control, FALSE);
+
+  gimp_tool_control_set_tool_cursor            (tool->control,
+                                                GIMP_TOOL_CURSOR_ZOOM);
+  gimp_tool_control_set_cursor_modifier        (tool->control,
+                                                GIMP_CURSOR_MODIFIER_PLUS);
+  gimp_tool_control_set_toggle_cursor_modifier (tool->control,
+                                                GIMP_CURSOR_MODIFIER_MINUS);
+
+  magnify_tool->x = 0;
+  magnify_tool->y = 0;
+  magnify_tool->w = 0;
+  magnify_tool->h = 0;
+}
+
+static void
+gimp_magnify_tool_button_press (GimpTool            *tool,
+                                const GimpCoords    *coords,
+                                guint32              time,
+                                GdkModifierType      state,
+                                GimpButtonPressType  press_type,
+                                GimpDisplay         *display)
+{
+  GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (tool);
+
+  magnify->x = coords->x;
+  magnify->y = coords->y;
+  magnify->w = 0;
+  magnify->h = 0;
+
+  gimp_tool_control_activate (tool->control);
+  tool->display = display;
+
+  gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
+}
+
+static void
+gimp_magnify_tool_button_release (GimpTool              *tool,
+                                  const GimpCoords      *coords,
+                                  guint32                time,
+                                  GdkModifierType        state,
+                                  GimpButtonReleaseType  release_type,
+                                  GimpDisplay           *display)
+{
+  GimpMagnifyTool    *magnify = GIMP_MAGNIFY_TOOL (tool);
+  GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
+  GimpDisplayShell   *shell   = gimp_display_get_shell (tool->display);
+
+  gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
+
+  gimp_tool_control_halt (tool->control);
+
+  switch (release_type)
+    {
+    case GIMP_BUTTON_RELEASE_CLICK:
+    case GIMP_BUTTON_RELEASE_NO_MOTION:
+      gimp_display_shell_scale (shell,
+                                options->zoom_type,
+                                0.0,
+                                GIMP_ZOOM_FOCUS_POINTER);
+      break;
+
+    case GIMP_BUTTON_RELEASE_NORMAL:
+      {
+        gdouble  x, y;
+        gdouble  width, height;
+        gboolean resize_window;
+
+        x      = (magnify->w < 0) ?  magnify->x + magnify->w : magnify->x;
+        y      = (magnify->h < 0) ?  magnify->y + magnify->h : magnify->y;
+        width  = (magnify->w < 0) ? -magnify->w : magnify->w;
+        height = (magnify->h < 0) ? -magnify->h : magnify->h;
+
+        /* Resize windows only in multi-window mode */
+        resize_window = (options->auto_resize &&
+                         ! GIMP_GUI_CONFIG (display->config)->single_window_mode);
+
+        gimp_display_shell_scale_to_rectangle (shell,
+                                               options->zoom_type,
+                                               x, y, width, height,
+                                               resize_window);
+      }
+      break;
+
+    default:
+      break;
+    }
+}
+
+static void
+gimp_magnify_tool_motion (GimpTool         *tool,
+                          const GimpCoords *coords,
+                          guint32           time,
+                          GdkModifierType   state,
+                          GimpDisplay      *display)
+{
+  GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (tool);
+
+  magnify->w = coords->x - magnify->x;
+  magnify->h = coords->y - magnify->y;
+
+  gimp_magnify_tool_update_items (magnify);
+}
+
+static void
+gimp_magnify_tool_modifier_key (GimpTool        *tool,
+                                GdkModifierType  key,
+                                gboolean         press,
+                                GdkModifierType  state,
+                                GimpDisplay     *display)
+{
+  GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
+
+  if (key == gimp_get_toggle_behavior_mask ())
+    {
+      switch (options->zoom_type)
+        {
+        case GIMP_ZOOM_IN:
+          g_object_set (options, "zoom-type", GIMP_ZOOM_OUT, NULL);
+          break;
+
+        case GIMP_ZOOM_OUT:
+          g_object_set (options, "zoom-type", GIMP_ZOOM_IN, NULL);
+          break;
+
+        default:
+          break;
+        }
+    }
+}
+
+static void
+gimp_magnify_tool_cursor_update (GimpTool         *tool,
+                                 const GimpCoords *coords,
+                                 GdkModifierType   state,
+                                 GimpDisplay      *display)
+{
+  GimpMagnifyOptions *options = GIMP_MAGNIFY_TOOL_GET_OPTIONS (tool);
+
+  gimp_tool_control_set_toggled (tool->control,
+                                 options->zoom_type == GIMP_ZOOM_OUT);
+
+  GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
+}
+
+static void
+gimp_magnify_tool_draw (GimpDrawTool *draw_tool)
+{
+  GimpMagnifyTool *magnify = GIMP_MAGNIFY_TOOL (draw_tool);
+
+  magnify->rectangle =
+    gimp_draw_tool_add_rectangle (draw_tool, FALSE,
+                                  magnify->x,
+                                  magnify->y,
+                                  magnify->w,
+                                  magnify->h);
+}
+
+static void
+gimp_magnify_tool_update_items (GimpMagnifyTool *magnify)
+{
+  if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (magnify)))
+    {
+      gimp_canvas_rectangle_set (magnify->rectangle,
+                                 magnify->x,
+                                 magnify->y,
+                                 magnify->w,
+                                 magnify->h);
+    }
+}