[gimp] app: reorder an rename stuff in gimpdisplayshell-scale.[ch]



commit 9391cd390fe89ea6168b1be936666f2a706d2212
Author: Michael Natterer <mitch gimp org>
Date:   Tue Jan 5 19:18:40 2016 +0100

    app: reorder an rename stuff in gimpdisplayshell-scale.[ch]
    
    Rename gimp_display_shell_scale_handle_zoom_revert() to
    gimp_display_shell_scale_save_revert_values() because the old name was
    completely unclear.

 app/display/gimpdisplayshell-scale.c  |  126 ++++++++++++++++----------------
 app/display/gimpdisplayshell-scale.h  |   89 ++++++++++++-----------
 app/display/gimpdisplayshell-scroll.c |    2 +-
 3 files changed, 111 insertions(+), 106 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-scale.c b/app/display/gimpdisplayshell-scale.c
index 85a4fcc..48072ed 100644
--- a/app/display/gimpdisplayshell-scale.c
+++ b/app/display/gimpdisplayshell-scale.c
@@ -142,6 +142,31 @@ gimp_display_shell_scale_can_revert (GimpDisplayShell *shell)
 }
 
 /**
+ * gimp_display_shell_scale_save_revert_values:
+ * @shell:
+ *
+ * Handle the updating of the Revert Zoom variables.
+ **/
+void
+gimp_display_shell_scale_save_revert_values (GimpDisplayShell *shell)
+{
+  guint now;
+
+  g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
+
+  now = time (NULL);
+
+  if (now - shell->last_scale_time >= SCALE_TIMEOUT)
+    {
+      shell->last_scale    = gimp_zoom_model_get_factor (shell->zoom);
+      shell->last_offset_x = shell->offset_x;
+      shell->last_offset_y = shell->offset_y;
+    }
+
+  shell->last_scale_time = now;
+}
+
+/**
  * gimp_display_shell_scale_set_dot_for_dot:
  * @shell:        the #GimpDisplayShell
  * @dot_for_dot:  whether "Dot for Dot" should be enabled
@@ -195,6 +220,39 @@ gimp_display_shell_scale_get_image_size (GimpDisplayShell *shell,
                                                      w, h);
 }
 
+/**
+ * gimp_display_shell_scale_image_is_within_viewport:
+ * @shell:
+ *
+ * Returns: %TRUE if the (scaled) image is smaller than and within the
+ *          viewport.
+ **/
+gboolean
+gimp_display_shell_scale_image_is_within_viewport (GimpDisplayShell *shell,
+                                                   gboolean         *horizontally,
+                                                   gboolean         *vertically)
+{
+  gint     sw, sh;
+  gboolean horizontally_dummy, vertically_dummy;
+
+  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
+
+  if (! horizontally) horizontally = &horizontally_dummy;
+  if (! vertically)   vertically   = &vertically_dummy;
+
+  gimp_display_shell_scale_get_image_size (shell, &sw, &sh);
+
+  *horizontally = sw              <= shell->disp_width       &&
+                  shell->offset_x <= 0                       &&
+                  shell->offset_x >= sw - shell->disp_width;
+
+  *vertically   = sh              <= shell->disp_height      &&
+                  shell->offset_y <= 0                       &&
+                  shell->offset_y >= sh - shell->disp_height;
+
+  return *vertically && *horizontally;
+}
+
 /* We used to calculate the scale factor in the SCALEFACTOR_X() and
  * SCALEFACTOR_Y() macros. But since these are rather frequently
  * called and the values rarely change, we now store them in the
@@ -457,8 +515,8 @@ gimp_display_shell_scale_to_rectangle (GimpDisplayShell *shell,
  * gimp_display_shell_scale_fit_in:
  * @shell: the #GimpDisplayShell
  *
- * Sets the scale such that the entire image precisely fits in the display
- * area.
+ * Sets the scale such that the entire image precisely fits in the
+ * display area.
  **/
 void
 gimp_display_shell_scale_fit_in (GimpDisplayShell *shell)
@@ -497,44 +555,11 @@ gimp_display_shell_scale_fit_in (GimpDisplayShell *shell)
 }
 
 /**
- * gimp_display_shell_scale_image_is_within_viewport:
- * @shell:
- *
- * Returns: %TRUE if the (scaled) image is smaller than and within the
- *          viewport.
- **/
-gboolean
-gimp_display_shell_scale_image_is_within_viewport (GimpDisplayShell *shell,
-                                                   gboolean         *horizontally,
-                                                   gboolean         *vertically)
-{
-  gint     sw, sh;
-  gboolean horizontally_dummy, vertically_dummy;
-
-  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
-
-  if (! horizontally) horizontally = &horizontally_dummy;
-  if (! vertically)   vertically   = &vertically_dummy;
-
-  gimp_display_shell_scale_get_image_size (shell, &sw, &sh);
-
-  *horizontally = sw              <= shell->disp_width       &&
-                  shell->offset_x <= 0                       &&
-                  shell->offset_x >= sw - shell->disp_width;
-
-  *vertically   = sh              <= shell->disp_height      &&
-                  shell->offset_y <= 0                       &&
-                  shell->offset_y >= sh - shell->disp_height;
-
-  return *vertically && *horizontally;
-}
-
-/**
  * gimp_display_shell_scale_fill:
  * @shell: the #GimpDisplayShell
  *
- * Sets the scale such that the entire display area is precisely filled by the
- * image.
+ * Sets the scale such that the entire display area is precisely
+ * filled by the image.
  **/
 void
 gimp_display_shell_scale_fill (GimpDisplayShell *shell)
@@ -573,31 +598,6 @@ gimp_display_shell_scale_fill (GimpDisplayShell *shell)
 }
 
 /**
- * gimp_display_shell_scale_handle_zoom_revert:
- * @shell:
- *
- * Handle the updating of the Revert Zoom variables.
- **/
-void
-gimp_display_shell_scale_handle_zoom_revert (GimpDisplayShell *shell)
-{
-  guint now;
-
-  g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
-
-  now = time (NULL);
-
-  if (now - shell->last_scale_time >= SCALE_TIMEOUT)
-    {
-      shell->last_scale    = gimp_zoom_model_get_factor (shell->zoom);
-      shell->last_offset_x = shell->offset_x;
-      shell->last_offset_y = shell->offset_y;
-    }
-
-  shell->last_scale_time = now;
-}
-
-/**
  * gimp_display_shell_scale_by_values:
  * @shell:         the #GimpDisplayShell
  * @scale:         the new scale
@@ -626,7 +626,7 @@ gimp_display_shell_scale_by_values (GimpDisplayShell *shell,
       shell->offset_y == offset_y)
     return;
 
-  gimp_display_shell_scale_handle_zoom_revert (shell);
+  gimp_display_shell_scale_save_revert_values (shell);
 
   /* freeze the active tool */
   gimp_display_shell_pause (shell);
diff --git a/app/display/gimpdisplayshell-scale.h b/app/display/gimpdisplayshell-scale.h
index ab5fac7..033a78d 100644
--- a/app/display/gimpdisplayshell-scale.h
+++ b/app/display/gimpdisplayshell-scale.h
@@ -19,53 +19,58 @@
 #define __GIMP_DISPLAY_SHELL_SCALE_H__
 
 
-gboolean gimp_display_shell_scale_revert                   (GimpDisplayShell *shell);
-gboolean gimp_display_shell_scale_can_revert               (GimpDisplayShell *shell);
+gboolean gimp_display_shell_scale_revert             (GimpDisplayShell *shell);
+gboolean gimp_display_shell_scale_can_revert         (GimpDisplayShell *shell);
+void     gimp_display_shell_scale_save_revert_values (GimpDisplayShell *shell);
 
-void     gimp_display_shell_scale_set_dot_for_dot          (GimpDisplayShell *shell,
-                                                            gboolean          dot_for_dot);
+void     gimp_display_shell_scale_set_dot_for_dot    (GimpDisplayShell *shell,
+                                                      gboolean          dot_for_dot);
 
-void     gimp_display_shell_scale_get_image_size           (GimpDisplayShell *shell,
-                                                            gint             *w,
-                                                            gint             *h);
+void     gimp_display_shell_scale_get_image_size     (GimpDisplayShell *shell,
+                                                      gint             *w,
+                                                      gint             *h);
+gboolean gimp_display_shell_scale_image_is_within_viewport
+                                                     (GimpDisplayShell *shell,
+                                                      gboolean         *horizontally,
+                                                      gboolean         *vertically);
 
-void     gimp_display_shell_scale_update                   (GimpDisplayShell *shell);
+void     gimp_display_shell_scale_update             (GimpDisplayShell *shell);
 
-void     gimp_display_shell_scale                          (GimpDisplayShell *shell,
-                                                            GimpZoomType      zoom_type,
-                                                            gdouble           scale,
-                                                            GimpZoomFocus     zoom_focus);
-void     gimp_display_shell_scale_to_rectangle             (GimpDisplayShell *shell,
-                                                            GimpZoomType      zoom_type,
-                                                            gdouble           x,
-                                                            gdouble           y,
-                                                            gdouble           width,
-                                                            gdouble           height,
-                                                            gboolean          resize_window);
-void     gimp_display_shell_scale_fit_in                   (GimpDisplayShell *shell);
-gboolean gimp_display_shell_scale_image_is_within_viewport (GimpDisplayShell *shell,
-                                                            gboolean         *horizontally,
-                                                            gboolean         *vertically);
-void     gimp_display_shell_scale_fill                     (GimpDisplayShell *shell);
-void     gimp_display_shell_scale_handle_zoom_revert       (GimpDisplayShell *shell);
-void     gimp_display_shell_scale_by_values                (GimpDisplayShell *shell,
-                                                            gdouble           scale,
-                                                            gint              offset_x,
-                                                            gint              offset_y,
-                                                            gboolean          resize_window);
-void     gimp_display_shell_scale_shrink_wrap              (GimpDisplayShell *shell,
-                                                            gboolean          grow_only);
+void     gimp_display_shell_scale                    (GimpDisplayShell *shell,
+                                                      GimpZoomType      zoom_type,
+                                                      gdouble           scale,
+                                                      GimpZoomFocus     zoom_focus);
+void     gimp_display_shell_scale_to_rectangle       (GimpDisplayShell *shell,
+                                                      GimpZoomType      zoom_type,
+                                                      gdouble           x,
+                                                      gdouble           y,
+                                                      gdouble           width,
+                                                      gdouble           height,
+                                                      gboolean          resize_window);
+void     gimp_display_shell_scale_fit_in             (GimpDisplayShell *shell);
+void     gimp_display_shell_scale_fill               (GimpDisplayShell *shell);
+void     gimp_display_shell_scale_by_values          (GimpDisplayShell *shell,
+                                                      gdouble           scale,
+                                                      gint              offset_x,
+                                                      gint              offset_y,
+                                                      gboolean          resize_window);
 
-void     gimp_display_shell_scale_resize                   (GimpDisplayShell *shell,
-                                                            gboolean          resize_window,
-                                                            gboolean          grow_only);
-void     gimp_display_shell_set_initial_scale              (GimpDisplayShell *shell,
-                                                            gdouble           scale,
-                                                            gint             *display_width,
-                                                            gint             *display_height);
-void     gimp_display_shell_push_zoom_focus_pointer_pos    (GimpDisplayShell *shell,
-                                                            gint              x,
-                                                            gint              y);
+void     gimp_display_shell_scale_shrink_wrap        (GimpDisplayShell *shell,
+                                                      gboolean          grow_only);
+void     gimp_display_shell_scale_resize             (GimpDisplayShell *shell,
+                                                      gboolean          resize_window,
+                                                      gboolean          grow_only);
+void     gimp_display_shell_set_initial_scale        (GimpDisplayShell *shell,
+                                                      gdouble           scale,
+                                                      gint             *display_width,
+                                                      gint             *display_height);
+
+
+/*  debug API for testing  */
+
+void  gimp_display_shell_push_zoom_focus_pointer_pos (GimpDisplayShell *shell,
+                                                      gint              x,
+                                                      gint              y);
 
 
 #endif  /*  __GIMP_DISPLAY_SHELL_SCALE_H__  */
diff --git a/app/display/gimpdisplayshell-scroll.c b/app/display/gimpdisplayshell-scroll.c
index ec1807f..d7f2e87 100644
--- a/app/display/gimpdisplayshell-scroll.c
+++ b/app/display/gimpdisplayshell-scroll.c
@@ -122,7 +122,7 @@ gimp_display_shell_scroll_set_offset (GimpDisplayShell *shell,
       shell->offset_y == offset_y)
     return;
 
-  gimp_display_shell_scale_handle_zoom_revert (shell);
+  gimp_display_shell_scale_save_revert_values (shell);
 
   /* freeze the active tool */
   gimp_display_shell_pause (shell);


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