Fix a mouse dropping remaining when clicking layer color. Made the button pick current transp color when left-clicking, and set it on right-click.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1201 416bcca6-2ee7-4201-b75f-2eb2f807beb1

helpfile.h

@@ -2498,9 +2498,16 @@ static const T_Help_table helptable_layertrans[] =
 
   HELP_TITLE("LAYERS TRANSPARENCY")
   HELP_TEXT ("")
+  HELP_BOLD ("LEFT CLICK")
+  HELP_TEXT ("")
+  HELP_TEXT ("Sets the transparent color as background pen")
+  HELP_TEXT ("color.")
+  HELP_TEXT ("")
+  HELP_BOLD ("RIGHT CLICK")
+  HELP_TEXT ("")
   HELP_TEXT ("The current Background color becomes the")
   HELP_TEXT ("color considered transparent for the layers.")
-
+  
 };
 static const T_Help_table helptable_layermerge[] =
 {

init.c

@@ -1271,7 +1271,7 @@ void Init_buttons(void)
                      58,0,
                      13,9,
                      BUTTON_SHAPE_RECTANGLE,
-                     Button_Layer_color, Button_Layer_color,
+                     Button_Layer_get_transparent, Button_Layer_set_transparent,
                      Do_nothing,
                      FAMILY_INSTANT);
   Init_button(BUTTON_LAYER_MERGE,

layers.c

@@ -159,7 +159,7 @@ void Button_Layer_menu(void)
   Display_cursor();
 }
 
-void Button_Layer_color(void)
+void Button_Layer_set_transparent(void)
 {
   Hide_cursor();
 
@@ -170,7 +170,6 @@ void Button_Layer_color(void)
     
     Redraw_layered_image();
     Display_all_screen();
-    Display_cursor();
     End_of_modification();
   }
 
@@ -178,6 +177,19 @@ void Button_Layer_color(void)
   Display_cursor();
 }
 
+void Button_Layer_get_transparent(void)
+{
+  Hide_cursor();
+
+  if (Main_backups->Pages->Transparent_color != Back_color)
+  {
+    Set_back_color(Main_backups->Pages->Transparent_color);
+  }
+
+  Unselect_button(BUTTON_LAYER_COLOR);
+  Display_cursor();
+}
+
 void Button_Layer_merge(void)
 {
   Hide_cursor();

layers.h

@@ -23,7 +23,8 @@
 void Button_Layer_add(void);
 void Button_Layer_remove(void);
 void Button_Layer_menu(void);
-void Button_Layer_color(void);
+void Button_Layer_set_transparent(void);
+void Button_Layer_get_transparent(void);
 void Button_Layer_merge(void);
 void Button_Layer_up(void);
 void Button_Layer_down(void);