[GTK3] Add DMG color palettes

gtk3/main.c

@@ -1569,6 +1569,13 @@ G_MODULE_EXPORT void on_display_border_changed(GtkWidget *w, gpointer user_data_
 	border_mode_changed = true;
 }
 
+G_MODULE_EXPORT void on_monochrome_palette_changed(GtkWidget *w, gpointer user_data_gptr) {
+	GtkComboBox *box = GTK_COMBO_BOX(w);
+	config.monochrome_palette_id = (gchar *)gtk_combo_box_get_active_id(box);
+
+	GB_set_palette(&gb, get_monochrome_palette());
+}
+
 G_MODULE_EXPORT void on_color_menubar_override_changed(GtkWidget *w, gpointer user_data_gptr) {
 	config.menubar_override = (gchar *)gtk_combo_box_get_active_id(GTK_COMBO_BOX(w));
 }
@@ -1994,7 +2001,7 @@ static void vblank(GB_gameboy_t *gb) {
 	if (border_mode_changed) {
 		GB_set_border_mode(gb, get_display_border_mode());
 		update_window_geometry();
-		
+
 		border_mode_changed = false;
 	}
 
@@ -2211,6 +2218,8 @@ static void reset(GuiData *gui_data) {
 		GB_switch_model_and_reset(&gb, current_model);
 	}
 
+	GB_set_palette(&gb, get_monochrome_palette());
+
 	gui_data->prev_model = get_model();
 
 	GtkRequisition minimum_size;

gtk3/main.h

@@ -142,6 +142,7 @@ G_MODULE_EXPORT void on_cgb_model_changed(GtkWidget *w, gpointer user_data_gptr)
 G_MODULE_EXPORT void on_color_correction_changed(GtkWidget *w, gpointer user_data_gptr);
 G_MODULE_EXPORT void on_frame_blending_changed(GtkWidget *w, gpointer user_data_gptr);
 G_MODULE_EXPORT void on_display_border_changed(GtkWidget *w, gpointer user_data_gptr);
+G_MODULE_EXPORT void on_monochrome_palette_changed(GtkWidget *w, gpointer user_data_gptr);
 G_MODULE_EXPORT void on_color_menubar_override_changed(GtkWidget *w, gpointer user_data_gptr);
 G_MODULE_EXPORT void on_dmg_model_changed(GtkWidget *w, gpointer user_data_gptr);
 G_MODULE_EXPORT void on_graphic_filter_changed(GtkWidget *w, gpointer user_data_gptr);

gtk3/resources/ui/window.ui

@@ -555,6 +555,7 @@ Maximilian Mader https://github.com/max-m</property>
             <property name="margin_top">16</property>
             <property name="margin_bottom">16</property>
             <property name="orientation">vertical</property>
+
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
@@ -597,6 +598,7 @@ Maximilian Mader https://github.com/max-m</property>
                 <property name="position">1</property>
               </packing>
             </child>
+
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
@@ -630,6 +632,7 @@ Maximilian Mader https://github.com/max-m</property>
                 <property name="position">3</property>
               </packing>
             </child>
+
             <child>
               <object class="GtkLabel">
                 <property name="visible">True</property>
@@ -666,7 +669,7 @@ Maximilian Mader https://github.com/max-m</property>
               <object class="GtkLabel">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
-                <property name="label" translatable="yes">Display Border:</property>
+                <property name="label" translatable="yes">Color palette for monochrome models:</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -674,6 +677,39 @@ Maximilian Mader https://github.com/max-m</property>
                 <property name="position">6</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkComboBoxText" id="monochrome_palette_selector">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">5</property>
+                <property name="margin_bottom">10</property>
+                <items>
+                  <item id="greyscale" translatable="yes">Greyscale</item>
+                  <item id="lime" translatable="yes">Lime (Game Boy)</item>
+                  <item id="olive" translatable="yes">Olive (Pocket)</item>
+                  <item id="teal" translatable="yes">Teal (Light)</item>
+                </items>
+                <signal name="changed" handler="on_monochrome_palette_changed" swapped="no"/>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">7</property>
+              </packing>
+            </child>
+
+            <child>
+              <object class="GtkLabel">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes">Display Border:</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">8</property>
+              </packing>
+            </child>
             <child>
               <object class="GtkComboBoxText" id="display_border_selector">
                 <property name="visible">True</property>
@@ -690,7 +726,7 @@ Maximilian Mader https://github.com/max-m</property>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">7</property>
+                <property name="position">9</property>
               </packing>
             </child>
 
@@ -708,9 +744,10 @@ Maximilian Mader https://github.com/max-m</property>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">8</property>
+                <property name="position">10</property>
               </packing>
             </child>
+
             <child>
               <object class="GtkCheckButton" id="aspect_ratio_toggle">
                 <property name="label" translatable="yes">Keep Aspect Ratio</property>
@@ -725,9 +762,10 @@ Maximilian Mader https://github.com/max-m</property>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">9</property>
+                <property name="position">11</property>
               </packing>
             </child>
+
             <child>
               <object class="GtkLabel" id="menubar_override_selector_label">
                 <property name="can_focus">False</property>
@@ -736,7 +774,7 @@ Maximilian Mader https://github.com/max-m</property>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">10</property>
+                <property name="position">12</property>
               </packing>
             </child>
             <child>
@@ -753,7 +791,7 @@ Maximilian Mader https://github.com/max-m</property>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">11</property>
+                <property name="position">13</property>
               </packing>
             </child>
           </object>
@@ -761,6 +799,7 @@ Maximilian Mader https://github.com/max-m</property>
             <property name="position">1</property>
           </packing>
         </child>
+
         <child type="tab">
           <object class="GtkBox">
             <property name="visible">True</property>

gtk3/settings.c

@@ -110,6 +110,7 @@ void on_preferences_realize(GtkWidget *w, gpointer builder_ptr) {
 	gtk_combo_box_set_active_id(builder_get(GTK_COMBO_BOX, "color_correction_selector"), config.color_correction_id);
 	gtk_combo_box_set_active_id(builder_get(GTK_COMBO_BOX, "frame_blending_selector"), config.frame_blending_mode);
 	gtk_combo_box_set_active_id(builder_get(GTK_COMBO_BOX, "display_border_selector"), config.display_border_mode);
+	gtk_combo_box_set_active_id(builder_get(GTK_COMBO_BOX, "monochrome_palette_selector"), config.monochrome_palette_id);
 	gtk_toggle_button_set_active(builder_get(GTK_TOGGLE_BUTTON, "integer_scaling_toggle"), config.use_integer_scaling);
 	gtk_toggle_button_set_active(builder_get(GTK_TOGGLE_BUTTON, "aspect_ratio_toggle"), config.keep_aspect_ratio);
 	gtk_combo_box_set_active_id(builder_get(GTK_COMBO_BOX, "highpass_filter_selector"), config.high_pass_filter_id);
@@ -326,7 +327,7 @@ GB_border_mode_t get_display_border_mode(void) {
 	}
 
 	// This should not happen
-	g_warning("Unknown frame blending mode: %s\nFalling back to “Never”", config.display_border_mode);
+	g_warning("Unknown SGB border mode: %s\nFalling back to “Never”", config.display_border_mode);
 	default_value: return GB_BORDER_NEVER;
 }
 
@@ -344,6 +345,44 @@ void set_display_border_mode(GB_border_mode_t mode) {
 	}
 }
 
+const GB_palette_t* get_monochrome_palette(void) {
+	if (config.monochrome_palette_id == NULL) goto default_value;
+
+	if (g_strcmp0(config.monochrome_palette_id, "greyscale") == 0) {
+		return &GB_PALETTE_GREY;
+	}
+	else if (g_strcmp0(config.monochrome_palette_id, "lime") == 0) {
+		return &GB_PALETTE_DMG;
+	}
+	else if (g_strcmp0(config.monochrome_palette_id, "olive") == 0) {
+		return &GB_PALETTE_MGB;
+	}
+	else if (g_strcmp0(config.monochrome_palette_id, "teal") == 0) {
+		return &GB_PALETTE_GBL;
+	}
+
+	// This should not happen
+	g_warning("Unknown monochrome palette: %s\nFalling back to “Greyscale”", config.monochrome_palette_id);
+	default_value: return &GB_PALETTE_GREY;
+}
+
+void set_monochrome_palette(const GB_palette_t *mode) {
+	g_message("%p | %p | %p | %p | %p", mode, &GB_PALETTE_GREY, &GB_PALETTE_DMG, &GB_PALETTE_MGB, &GB_PALETTE_GBL);
+
+	if (mode == &GB_PALETTE_GREY) {
+		config.monochrome_palette_id = "greyscale";
+	}
+	else if (mode == &GB_PALETTE_DMG) {
+		config.monochrome_palette_id = "lime";
+	}
+	else if (mode == &GB_PALETTE_MGB) {
+		config.monochrome_palette_id = "olive";
+	}
+	else if (mode == &GB_PALETTE_GBL) {
+		config.monochrome_palette_id = "teal";
+	}
+}
+
 GB_highpass_mode_t get_highpass_mode(void) {
 	if (config.high_pass_filter_id == NULL) goto default_value;
 

gtk3/settings.h

@@ -42,6 +42,7 @@
 		EXPAND_GROUP_MEMBER(color_correction_id, string, "emulate_hardware") \
 		EXPAND_GROUP_MEMBER(frame_blending_mode, string, "disabled") \
 		EXPAND_GROUP_MEMBER(display_border_mode, string, "never") \
+		EXPAND_GROUP_MEMBER(monochrome_palette_id, string, "greyscale") \
 		EXPAND_GROUP_MEMBER(keep_aspect_ratio, boolean, true) \
 		EXPAND_GROUP_MEMBER(use_integer_scaling, boolean, true) \
 		EXPAND_GROUP_MEMBER(menubar_override, string, "auto") \
@@ -100,6 +101,9 @@ void set_display_border_mode(GB_border_mode_t);
 GB_highpass_mode_t get_highpass_mode(void);
 void set_highpass_mode(GB_highpass_mode_t);
 
+const GB_palette_t* get_monochrome_palette(void);
+void set_monochrome_palette(const GB_palette_t*);
+
 GB_model_t get_dmg_model(void);
 GB_model_t get_sgb_model(void);
 GB_model_t get_cgb_model(void);