diff --git a/buttons.c b/buttons.c
index 1483c785..a06bb8a1 100644
--- a/buttons.c
+++ b/buttons.c
@@ -287,7 +287,7 @@ void Button_Select_forecolor(void)
   if (color == Fore_color)
   {
     // Check if it's a double-click    
-    if (time_click - time_previous < 500)
+    if (time_click - time_previous < Config.Double_click_speed)
     {
     	// Open palette window
     	Button_Palette();
@@ -3814,7 +3814,7 @@ void Effects_off(void)
 
 void Transparency_set(byte amount)
 {
-  const int doubleclick_delay = 500;
+  const int doubleclick_delay = Config.Double_key_speed;
   static long time_click = 0;
   long time_previous;
   
diff --git a/gfx2.cfg b/gfx2.cfg
index 43f249a8..20ab6b67 100644
Binary files a/gfx2.cfg and b/gfx2.cfg differ
diff --git a/gfx2def.ini b/gfx2def.ini
index 757c4c38..d03c6c53 100644
--- a/gfx2def.ini
+++ b/gfx2def.ini
@@ -312,4 +312,15 @@
   ; OS isn't able to do it by itself. (ie: Windows)
   Window_position = 9999,9999; (Default 9999,9999 which means: NA)
 
+  ; This is the time (in milliseconds) between two clicks for Grafx2 to
+  ; recognize a double-click. Double-click is used mostly in the palette
+  ; area of the menu: double-click a color to open the palette.
+  Double_click_speed = 500; (Default 500)
+
+  ; When you press two digit keys in rapid succession (ex: 3 8), Grafx2
+  ; sets transparency to 38% (instead of 30% then 80%). This setting
+  ; allows you to set the maximum delay between two keypresses for
+  ; GrafX2 to recognize them as a combo.
+  Double_key_speed = 500; (Default 500)
+
   ; end of configuration
diff --git a/hotkeys.c b/hotkeys.c
index c6a12d5e..2d232019 100644
--- a/hotkeys.c
+++ b/hotkeys.c
@@ -1116,7 +1116,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 20%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_2, // 2
   0},
   {137,
   "Transparency 30%",
@@ -1124,7 +1124,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 30%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_3, // 3
   0},
   {138,
   "Transparency 40%",
@@ -1132,7 +1132,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 40%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_4, // 4
   0},
   {139,
   "Transparency 50%",
@@ -1140,7 +1140,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 50%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_5, // 5
   0},
   {140,
   "Transparency 60%",
@@ -1148,7 +1148,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 60%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_6, // 6
   0},
   {141,
   "Transparency 70%",
@@ -1156,7 +1156,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 70%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_7, // 7
   0},
   {142,
   "Transparency 80%",
@@ -1164,7 +1164,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 80%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_8, // 8
   0},
   {143,
   "Transparency 90%",
@@ -1172,7 +1172,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 90%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_9, // 9
   0},
   {144,
   "Transparency 0%",
@@ -1180,7 +1180,7 @@ T_Key_config ConfigKey[NB_SHORTCUTS] = {
   "opacity at 0%.",
   "",
   true,
-  SDLK_1, // 1
+  SDLK_0, // 0
   0},
 };
 
diff --git a/readini.c b/readini.c
index 7c3b7cb6..26c5fdb2 100644
--- a/readini.c
+++ b/readini.c
@@ -788,7 +788,7 @@ int Load_INI(T_Config * conf)
       break;
   }
   conf->Palette_vertical=0;
-  // Optionnel, vertical palette option (>98.0%)
+  // Optional, vertical palette option (>98.0%)
   if (!Load_INI_get_values (file,buffer,"Palette_vertical",1,values))
   {
     if ((values[0]<0) || (values[0]>1))
@@ -804,6 +804,22 @@ int Load_INI(T_Config * conf)
     conf->Window_pos_x = values[0];
     conf->Window_pos_y = values[1];
   }
+  
+  conf->Double_click_speed=500;
+  // Optional, speed of double-click (>98.0%)
+  if (!Load_INI_get_values (file,buffer,"Double_click_speed",1,values))
+  {
+    if ((values[0]>0) || (values[0]<=2000))
+      conf->Double_click_speed=values[0];
+  }
+
+  conf->Double_key_speed=500;
+  // Optional, speed of double-keypress (>98.0%)
+  if (!Load_INI_get_values (file,buffer,"Double_key_speed",1,values))
+  {
+    if ((values[0]>0) || (values[0]<=2000))
+      conf->Double_key_speed=values[0];
+  }
 
 
   fclose(file);
diff --git a/saveini.c b/saveini.c
index ac8e53d3..975c9807 100644
--- a/saveini.c
+++ b/saveini.c
@@ -635,6 +635,13 @@ int Save_INI(T_Config * conf)
   if ((return_code=Save_INI_set_values (Ancien_fichier,Nouveau_fichier,buffer,"Window_position",2,values,0)))
     goto Erreur_Retour;
 
+  values[0]=(conf->Double_click_speed);
+  if ((return_code=Save_INI_set_values (Ancien_fichier,Nouveau_fichier,buffer,"Double_click_speed",1,values,0)))
+    goto Erreur_Retour;
+    
+  values[0]=(conf->Double_key_speed);
+  if ((return_code=Save_INI_set_values (Ancien_fichier,Nouveau_fichier,buffer,"Double_key_speed",1,values,0)))
+    goto Erreur_Retour;
     
   Save_INI_flush(Ancien_fichier,Nouveau_fichier,buffer);
 
diff --git a/struct.h b/struct.h
index 81f26b0d..ee1cf40d 100644
--- a/struct.h
+++ b/struct.h
@@ -269,6 +269,8 @@ typedef struct
   char Bookmark_label[NB_BOOKMARKS][8+1];///< Bookmarked directories in fileselectors: This is the displayed name.
   int  Window_pos_x;                     ///< Last window x position (9999 if unsupportd/irrelevant for the platform)
   int  Window_pos_y;                     ///< Last window y position (9999 if unsupportd/irrelevant for the platform)
+  word Double_click_speed;               ///< Maximum delay for double-click, in ms.
+  word Double_key_speed;                 ///< Maximum delay for double-keypress, in ms.
 } T_Config;
 
 // Structures utilisées pour les descriptions de pages et de liste de pages.