envycontrol/: port from GTK2 to GTK3

envy24control/config.c

@@ -47,7 +47,7 @@ void config_close()
 void config_set_stereo(GtkWidget *but, gpointer data)
 {
   gint i=GPOINTER_TO_INT(data);
-  config_stereo[i]=GTK_TOGGLE_BUTTON(but)->active;
+  config_stereo[i]=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(but));
 }
 
 void config_restore_stereo()

envy24control/configure.ac

@@ -5,6 +5,6 @@ AC_HEADER_STDC
 AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE([enable])
 
-PKG_CHECK_MODULES(ENVY24CONTROL, gtk+-2.0 alsa >= 0.9.0)
+PKG_CHECK_MODULES(ENVY24CONTROL, gtk+-3.0 alsa >= 0.9.0)
 
 AC_OUTPUT(Makefile desktop/Makefile)

envy24control/driverevents.c

@@ -19,7 +19,7 @@
 
 #include "envy24control.h"
 
-void control_input_callback(gpointer data, gint source, GdkInputCondition condition)
+gint control_input_callback(GIOChannel *source, GIOCondition condition, gpointer data)
 {
 	snd_ctl_t *ctl = (snd_ctl_t *)data;
 	snd_ctl_event_t *ev;
@@ -29,12 +29,12 @@ void control_input_callback(gpointer data, gint source, GdkInputCondition condit
 
 	snd_ctl_event_alloca(&ev);
 	if (snd_ctl_read(ctl, ev) < 0)
-		return;
+		return FALSE;
 	name = snd_ctl_event_elem_get_name(ev);
 	index = snd_ctl_event_elem_get_index(ev);
 	mask = snd_ctl_event_elem_get_mask(ev);
 	if (! (mask & (SND_CTL_EVENT_MASK_VALUE | SND_CTL_EVENT_MASK_INFO)))
-		return;
+		return FALSE;
 
 	switch (snd_ctl_event_elem_get_interface(ev)) {
 	case SND_CTL_ELEM_IFACE_MIXER:
@@ -84,5 +84,6 @@ void control_input_callback(gpointer data, gint source, GdkInputCondition condit
 	default:
 		break;
 	}
+	return TRUE;
 }
 

envy24control/envy24control.h

@@ -85,7 +85,7 @@ extern ice1712_eeprom_t card_eeprom;
 extern GtkWidget *mixer_mix_drawing;
 extern GtkWidget *mixer_clear_peaks_button;
 extern GtkWidget *mixer_drawing[20];
-extern GtkObject *mixer_adj[20][2];
+extern GtkAdjustment *mixer_adj[20][2];
 extern GtkWidget *mixer_vscale[20][2];
 extern GtkWidget *mixer_solo_toggle[20][2];
 extern GtkWidget *mixer_mute_toggle[20][2];
@@ -108,7 +108,7 @@ extern GtkWidget *hw_master_clock_actual_rate_label;
 extern GtkWidget *hw_rate_locking_check;
 extern GtkWidget *hw_rate_reset_check;
 
-extern GtkObject *hw_volume_change_adj;
+extern GtkAdjustment *hw_volume_change_adj;
 extern GtkWidget *hw_volume_change_spin;
 
 extern GtkWidget *hw_spdif_profi_nonaudio_radio;
@@ -151,9 +151,9 @@ extern GtkWidget *input_interface_internal;
 extern GtkWidget *input_interface_front_input;
 extern GtkWidget *input_interface_rear_input;
 extern GtkWidget *input_interface_wavetable;
-extern GtkObject *av_dac_volume_adj[];
+extern GtkAdjustment *av_dac_volume_adj[];
-extern GtkObject *av_adc_volume_adj[];
+extern GtkAdjustment *av_adc_volume_adj[];
-extern GtkObject *av_ipga_volume_adj[];
+extern GtkAdjustment *av_ipga_volume_adj[];
 extern GtkLabel *av_dac_volume_label[];
 extern GtkLabel *av_adc_volume_label[];
 extern GtkLabel *av_ipga_volume_label[];
@@ -238,6 +238,6 @@ void ipga_volume_adjust(GtkAdjustment *adj, gpointer data);
 void dac_sense_toggled(GtkWidget *togglebutton, gpointer data);
 void adc_sense_toggled(GtkWidget *togglebutton, gpointer data);
 
-void control_input_callback(gpointer data, gint source, GdkInputCondition condition);
+gint control_input_callback(GIOChannel *source, GIOCondition condition, gpointer data);
-void mixer_input_callback(gpointer data, gint source, GdkInputCondition condition);
+gint mixer_input_callback(GIOChannel *source, GIOCondition condition, gpointer data);
 

envy24control/hardware.c

@@ -39,7 +39,7 @@ static inline int is_update_needed(void);
 
 static int is_active(GtkWidget *widget)
 {
-	return GTK_TOGGLE_BUTTON(widget)->active ? 1 : 0;
+	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 }
 
 void master_clock_update(void)
@@ -353,8 +353,8 @@ void volume_change_rate_update(void)
 void volume_change_rate_adj(GtkAdjustment *adj, gpointer data)
 {
 	int err;
-	
+	double adjustment_value = gtk_adjustment_get_value(adj);
-	snd_ctl_elem_value_set_integer(volume_rate, 0, adj->value);
+	snd_ctl_elem_value_set_integer(volume_rate, 0, adjustment_value);
 	if ((err = snd_ctl_elem_write(ctl, volume_rate)) < 0)
 		g_print("Unable to write volume change rate: %s\n", snd_strerror(err));
 }
@@ -598,7 +598,7 @@ void spdif_output_toggled(GtkWidget *togglebutton, gpointer data)
 			page = 1;
 		}
 		spdif_output_write();
-		gtk_notebook_set_page(GTK_NOTEBOOK(hw_spdif_output_notebook), page);
+		gtk_notebook_set_current_page(GTK_NOTEBOOK(hw_spdif_output_notebook), page);
 		spdif_output_update();
 	}
 }

envy24control/levelmeters.c

@@ -19,13 +19,13 @@
 
 #include "envy24control.h"
 
-static GdkGC *penGreenShadow[21] = { NULL, };
+static GdkRGBA *penGreenShadow[21] = { NULL, };
-static GdkGC *penGreenLight[21] = { NULL, };
+static GdkRGBA *penGreenLight[21] = { NULL, };
-static GdkGC *penOrangeShadow[21] = { NULL, };
+static GdkRGBA *penOrangeShadow[21] = { NULL, };
-static GdkGC *penOrangeLight[21] = { NULL, };
+static GdkRGBA *penOrangeLight[21] = { NULL, };
-static GdkGC *penRedShadow[21] = { NULL, };
+static GdkRGBA *penRedShadow[21] = { NULL, };
-static GdkGC *penRedLight[21] = { NULL, };
+static GdkRGBA *penRedLight[21] = { NULL, };
-static GdkPixmap *pixmap[21] = { NULL, };
+static GdkPixbuf *pixmap[21] = { NULL, };
 static snd_ctl_elem_value_t *peaks;
 
 extern int input_channels, output_channels, pcm_output_channels, spdif_channels, view_spdif_playback;
@@ -50,19 +50,14 @@ static void get_levels(int idx, int *l1, int *l2)
 	}
 }
 
-static GdkGC *get_pen(int idx, int nRed, int nGreen, int nBlue)
+static GdkRGBA *get_pen(int idx, int nRed, int nGreen, int nBlue)
 {
-	GdkColor *c;
+    GdkRGBA *c = g_malloc(sizeof(GdkRGBA));
-	GdkGC *gc;
+    c->red = nRed / 255.0;
-	
+    c->green = nGreen / 255.0;
-	c = (GdkColor *)g_malloc(sizeof(GdkColor));
+    c->blue = nBlue / 255.0;
-	c->red = nRed;
+    c->alpha = 1.0; // Fully opaque
-	c->green = nGreen;
+    return c;
-	c->blue = nBlue;
-	gdk_color_alloc(gdk_colormap_get_system(), c);
-	gc = gdk_gc_new(pixmap[idx]);
-	gdk_gc_set_foreground(gc, c);
-	return gc;
 }
 
 static int get_index(const gchar *name)
@@ -91,61 +86,129 @@ static void redraw_meters(int idx, int width, int height, int level1, int level2
 	int segs_on1 = ((segments * level1) + 128) / 255;
 	int segs_on2 = ((segments * level2) + 128) / 255;
 
+    GdkPixbuf *pixbuf = pixmap[idx];
+    // Create a Cairo surface from the GdkPixbuf
+    cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixbuf, 0, NULL);
+    // Create a Cairo context from the surface
+    cairo_t *cr = cairo_create(surface);
+
 	// g_print("segs_on1 = %i (%i), segs_on2 = %i (%i)\n", segs_on1, level1, segs_on2, level2);
 	for (seg = 0; seg < green_segments; seg++) {
-		gdk_draw_rectangle(pixmap[idx],
+		// Set the drawing color
-				   segs_on1 > 0 ? penGreenLight[idx] : penGreenShadow[idx],
+		if (segs_on1 > 0) {
-				   TRUE,
+		    cairo_set_source_rgb(cr, penGreenLight[idx]->red,
-				   6, 3 + ((segments - seg - 1) * 4),
+		                             penGreenLight[idx]->green,
-				   segment_width,
+		                             penGreenLight[idx]->blue);
-				   3);
+		} else {
+		    cairo_set_source_rgb(cr, penGreenShadow[idx]->red,
+		                             penGreenShadow[idx]->green,
+		                             penGreenShadow[idx]->blue);
+		}
+
+		// Set the rectangle and draw
+		cairo_rectangle(cr, 6, 3 + ((segments - seg - 1) * 4), segment_width, 3);
+		cairo_fill(cr);
+
+
 		if (stereo)
-			gdk_draw_rectangle(pixmap[idx],
+		{
-					   segs_on2 > 0 ? penGreenLight[idx] : penGreenShadow[idx],
+			// Set the drawing color
-					   TRUE,
+			if (segs_on2 > 0) {
-					   2 + (width / 2),
+			    cairo_set_source_rgb(cr, penGreenLight[idx]->red,
-					   3 + ((segments - seg - 1) * 4),
+			                             penGreenLight[idx]->green,
-					   segment_width,
+			                             penGreenLight[idx]->blue);
-					   3);
+			} else {
+			    cairo_set_source_rgb(cr, penGreenShadow[idx]->red,
+			                             penGreenShadow[idx]->green,
+			                             penGreenShadow[idx]->blue);
+			}
+
+			// Set the rectangle and draw
+			cairo_rectangle(cr, 2 + (width / 2), 3 + ((segments - seg - 1) * 4), segment_width, 3);
+			cairo_fill(cr);
+		}
 		segs_on1--;
 		segs_on2--;
+
 	}
 	for (seg = green_segments; seg < green_segments + orange_segments; seg++) {
-		gdk_draw_rectangle(pixmap[idx],
+		// Set the drawing color
-				   segs_on1 > 0 ? penOrangeLight[idx] : penOrangeShadow[idx],
+		if (segs_on1 > 0) {
-				   TRUE,
+		    cairo_set_source_rgb(cr, penOrangeLight[idx]->red,
-				   6, 3 + ((segments - seg - 1) * 4),
+		                             penOrangeLight[idx]->green,
-				   segment_width,
+		                             penOrangeLight[idx]->blue);
-				   3);
+		} else {
+		    cairo_set_source_rgb(cr, penOrangeShadow[idx]->red,
+		                             penOrangeShadow[idx]->green,
+		                             penOrangeShadow[idx]->blue);
+		}
+
+		// Set the rectangle and draw
+		cairo_rectangle(cr, 6, 3 + ((segments - seg - 1) * 4), segment_width, 3);
+		cairo_fill(cr);
+
 		if (stereo)
-			gdk_draw_rectangle(pixmap[idx],
+		{
-					   segs_on2 > 0 ? penOrangeLight[idx] : penOrangeShadow[idx],
+
-					   TRUE,
+			// Set the drawing color
-					   2 + (width / 2),
+			if (segs_on2 > 0) {
-					   3 + ((segments - seg - 1) * 4),
+			    cairo_set_source_rgb(cr, penOrangeLight[idx]->red,
-					   segment_width,
+			                             penOrangeLight[idx]->green,
-					   3);
+			                             penOrangeLight[idx]->blue);
+			} else {
+			    cairo_set_source_rgb(cr, penOrangeShadow[idx]->red,
+			                             penOrangeShadow[idx]->green,
+			                             penOrangeShadow[idx]->blue);
+			}
+
+			// Set the rectangle and draw
+			cairo_rectangle(cr, 2 + (width / 2), 3 + ((segments - seg - 1) * 4), segment_width, 3);
+			cairo_fill(cr);
+		}
+
 		segs_on1--;
 		segs_on2--;
 	}
 	for (seg = green_segments + orange_segments; seg < segments; seg++) {
-		gdk_draw_rectangle(pixmap[idx],
+
-				   segs_on1 > 0 ? penRedLight[idx] : penRedShadow[idx],
+		// Set the drawing color
-				   TRUE,
+		if (segs_on1 > 0) {
-				   6, 3 + ((segments - seg - 1) * 4),
+		    cairo_set_source_rgb(cr, penRedLight[idx]->red,
-				   segment_width,
+		                             penRedLight[idx]->green,
-				   3);
+		                             penRedLight[idx]->blue);
+		} else {
+		    cairo_set_source_rgb(cr, penRedShadow[idx]->red,
+		                             penRedShadow[idx]->green,
+		                             penRedShadow[idx]->blue);
+		}
+
+		// Set the rectangle and draw
+		cairo_rectangle(cr, 6, 3 + ((segments - seg - 1) * 4), segment_width, 3);
+		cairo_fill(cr);
+
 		if (stereo)
-			gdk_draw_rectangle(pixmap[idx],
+		{
-					   segs_on2 > 0 ? penRedLight[idx] : penRedShadow[idx],
+			// Set the drawing color based on segs_on2
-					   TRUE,
+			if (segs_on2 > 0) {
-					   2 + (width / 2),
+			    cairo_set_source_rgb(cr, penRedLight[idx]->red,
-					   3 + ((segments - seg - 1) * 4),
+			                             penRedLight[idx]->green,
-					   segment_width,
+			                             penRedLight[idx]->blue);
-					   3);
+			} else {
+			    cairo_set_source_rgb(cr, penRedShadow[idx]->red,
+			                             penRedShadow[idx]->green,
+			                             penRedShadow[idx]->blue);
+			}
+
+			// Set the rectangle and draw
+			cairo_rectangle(cr, 2 + (width / 2), 3 + ((segments - seg - 1) * 4), segment_width, 3);
+			cairo_fill(cr);
+		}
+
 		segs_on1--;
 		segs_on2--;
 	}
+	// Clean up the Cairo context
+	cairo_destroy(cr);
 }
 
 gint level_meters_configure_event(GtkWidget *widget, GdkEventConfigure *event)
@@ -153,25 +216,45 @@ gint level_meters_configure_event(GtkWidget *widget, GdkEventConfigure *event)
 	int idx = get_index(gtk_widget_get_name(widget));
 
 	if (pixmap[idx] != NULL)
-		gdk_pixmap_unref(pixmap[idx]);
+		g_object_unref(pixmap[idx]);
-	pixmap[idx] = gdk_pixmap_new(widget->window,
+
-				     widget->allocation.width,
+	cairo_surface_t *surface = gdk_window_create_similar_surface(gtk_widget_get_window(widget),
-				     widget->allocation.height,
+	    CAIRO_FORMAT_ARGB32, gtk_widget_get_allocated_width(widget), gtk_widget_get_allocated_height(widget));
-				     -1);
+	// Create a GdkPixbuf from the cairo surface
+	pixmap[idx] = gdk_pixbuf_get_from_surface(surface, 0, 0, gtk_widget_get_allocated_width(widget), gtk_widget_get_allocated_height(widget));
+
 	penGreenShadow[idx] = get_pen(idx, 0, 0x77ff, 0);
 	penGreenLight[idx] = get_pen(idx, 0, 0xffff, 0);
 	penOrangeShadow[idx] = get_pen(idx, 0xddff, 0x55ff, 0);
 	penOrangeLight[idx] = get_pen(idx, 0xffff, 0x99ff, 0);
 	penRedShadow[idx] = get_pen(idx, 0xaaff, 0, 0);
 	penRedLight[idx] = get_pen(idx, 0xffff, 0, 0);
-	gdk_draw_rectangle(pixmap[idx],
+
-			   widget->style->black_gc,
+	// Get the window for the widget
-			   TRUE,
+	GdkWindow *window = gtk_widget_get_window(widget);
-			   0, 0,
+	// Begin drawing on the window (this replaces gdk_cairo_create)
-			   widget->allocation.width,
+	GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
-			   widget->allocation.height);
+	// Get the Cairo context from the drawing context
-	// g_print("configure: %i:%i\n", widget->allocation.width, widget->allocation.height);
+	cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
-	redraw_meters(idx, widget->allocation.width, widget->allocation.height, 0, 0);
+	//cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget)); //DEPRECATED
+	GtkAllocation allocation;
+	gtk_widget_get_allocation(widget, &allocation);
+
+	// Set the source color (black in this case)
+	cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);  // RGB for black
+	// Create the rectangle with the specified dimensions
+	cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
+	// Fill the rectangle (similar to the "TRUE" parameter for filled in gdk_draw_rectangle)
+	cairo_fill(cr);
+
+	// g_print("configure: %i:%i\n", allocation.width, allocation.height);
+	redraw_meters(idx, allocation.width, allocation.height, 0, 0);
+
+    gdk_window_end_draw_frame(window, NULL); // End the draw frame
+
+	// Don't forget to manage memory and clean up
+	cairo_surface_destroy(surface);
+
 	return TRUE;
 }
 
@@ -181,16 +264,32 @@ gint level_meters_expose_event(GtkWidget *widget, GdkEventExpose *event)
 	int l1, l2;
 
 	get_levels(idx, &l1, &l2);
-	redraw_meters(idx, widget->allocation.width, widget->allocation.height, l1, l2);
+	GtkAllocation allocation;
-	gdk_draw_pixmap(widget->window,
+	gtk_widget_get_allocation(widget, &allocation);
-			widget->style->black_gc,
+	redraw_meters(idx, allocation.width, allocation.height, l1, l2);
-			pixmap[idx],
+
-			event->area.x, event->area.y,
+	// Get the window for the widget
-			event->area.x, event->area.y,
+	GdkWindow *window = gtk_widget_get_window(widget);
-			event->area.width, event->area.height);
+	// Begin drawing on the window (this replaces gdk_cairo_create)
+	GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
+	// Get the Cairo context from the drawing context
+	cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
+	// Convert GdkPixbuf to Cairo surface
+	cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixmap[idx], 0, gtk_widget_get_window(widget));
+	// Set the source surface to the Cairo context
+	cairo_set_source_surface(cr, surface, event->area.x, event->area.y);
+	// Define the area to draw and fill it
+	cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
+	cairo_fill(cr);
+	// Clean up the Cairo surface
+	cairo_surface_destroy(surface);
+	// End the drawing frame
+	gdk_window_end_draw_frame(window, context);
+
 	return FALSE;
 }
 
+//TODO: Reduce/Remove/Refactor repeated code
 gint level_meters_timeout_callback(gpointer data)
 {
 	GtkWidget *widget;
@@ -200,56 +299,112 @@ gint level_meters_timeout_callback(gpointer data)
 	for (idx = 0; idx <= pcm_output_channels; idx++) {
 		get_levels(idx, &l1, &l2);
 		widget = idx == 0 ? mixer_mix_drawing : mixer_drawing[idx-1];
-		if (GTK_WIDGET_VISIBLE(widget) && (pixmap[idx] != NULL)) {
+		if (gtk_widget_get_visible(widget) && (pixmap[idx] != NULL)) {
-			redraw_meters(idx, widget->allocation.width, widget->allocation.height, l1, l2);
+			GtkAllocation allocation;
-			gdk_draw_pixmap(widget->window,
+			gtk_widget_get_allocation(widget, &allocation);
-					widget->style->black_gc,
+			redraw_meters(idx, allocation.width, allocation.height, l1, l2);
-					pixmap[idx],
+
-					0, 0,
+			// Get the window for the widget
-					0, 0,
+			GdkWindow *window = gtk_widget_get_window(widget);
-					widget->allocation.width, widget->allocation.height);
+			// Begin drawing on the window
+			GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
+			// Get the Cairo context from the drawing context
+			cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
+			// Create a Cairo surface from the pixmap
+			cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixmap[idx], 0, window);
+			// Set the source surface to the pixmap (Cairo surface)
+			cairo_set_source_surface(cr, surface, 0, 0);
+			// Define the area to draw (same as the width and height of the widget)
+			cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
+			cairo_fill(cr); // Fill the rectangle with the pixmap
+			// Clean up the Cairo surface
+			cairo_surface_destroy(surface);
+			// End the drawing frame
+			gdk_window_end_draw_frame(window, context);
 		}
 	}
 	if (view_spdif_playback) {
 		for (idx = MAX_PCM_OUTPUT_CHANNELS + 1; idx <= MAX_OUTPUT_CHANNELS + spdif_channels; idx++) {
 			get_levels(idx, &l1, &l2);
 			widget = idx == 0 ? mixer_mix_drawing : mixer_drawing[idx-1];
-			if (GTK_WIDGET_VISIBLE(widget) && (pixmap[idx] != NULL)) {
+			if (gtk_widget_get_visible(widget) && (pixmap[idx] != NULL)) {
-				redraw_meters(idx, widget->allocation.width, widget->allocation.height, l1, l2);
+				GtkAllocation allocation;
-				gdk_draw_pixmap(widget->window,
+				gtk_widget_get_allocation(widget, &allocation);
-						widget->style->black_gc,
+				redraw_meters(idx, allocation.width, allocation.height, l1, l2);
-						pixmap[idx],
+
-						0, 0,
+			// Get the window for the widget
-						0, 0,
+			GdkWindow *window = gtk_widget_get_window(widget);
-						widget->allocation.width, widget->allocation.height);
+			// Begin drawing on the window
+			GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
+			// Get the Cairo context from the drawing context
+			cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
+			// Create a Cairo surface from the pixmap
+			cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixmap[idx], 0, window);
+			// Set the source surface to the pixmap (Cairo surface)
+			cairo_set_source_surface(cr, surface, 0, 0);
+			// Define the area to draw (same as the width and height of the widget)
+			cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
+			cairo_fill(cr); // Fill the rectangle with the pixmap
+			// Clean up the Cairo surface
+			cairo_surface_destroy(surface);
+			// End the drawing frame
+			gdk_window_end_draw_frame(window, context);
 			}
 		}
 	}
 	for (idx = MAX_PCM_OUTPUT_CHANNELS + MAX_SPDIF_CHANNELS + 1; idx <= input_channels + MAX_PCM_OUTPUT_CHANNELS + MAX_SPDIF_CHANNELS; idx++) {
 		get_levels(idx, &l1, &l2);
 		widget = idx == 0 ? mixer_mix_drawing : mixer_drawing[idx-1];
-		if (GTK_WIDGET_VISIBLE(widget) && (pixmap[idx] != NULL)) {
+		if (gtk_widget_get_visible(widget) && (pixmap[idx] != NULL)) {
-			redraw_meters(idx, widget->allocation.width, widget->allocation.height, l1, l2);
+			GtkAllocation allocation;
-			gdk_draw_pixmap(widget->window,
+			gtk_widget_get_allocation(widget, &allocation);
-					widget->style->black_gc,
+			redraw_meters(idx, allocation.width, allocation.height, l1, l2);
-					pixmap[idx],
+
-					0, 0,
+			// Get the window for the widget
-					0, 0,
+			GdkWindow *window = gtk_widget_get_window(widget);
-					widget->allocation.width, widget->allocation.height);
+			// Begin drawing on the window
+			GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
+			// Get the Cairo context from the drawing context
+			cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
+			// Create a Cairo surface from the pixmap
+			cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixmap[idx], 0, window);
+			// Set the source surface to the pixmap (Cairo surface)
+			cairo_set_source_surface(cr, surface, 0, 0);
+			// Define the area to draw (same as the width and height of the widget)
+			cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
+			cairo_fill(cr); // Fill the rectangle with the pixmap
+			// Clean up the Cairo surface
+			cairo_surface_destroy(surface);
+			// End the drawing frame
+			gdk_window_end_draw_frame(window, context);
 		}
 	}
 	for (idx = MAX_PCM_OUTPUT_CHANNELS + MAX_SPDIF_CHANNELS + MAX_INPUT_CHANNELS + 1; \
 		    idx <= spdif_channels + MAX_PCM_OUTPUT_CHANNELS + MAX_SPDIF_CHANNELS + MAX_INPUT_CHANNELS; idx++) {
 		get_levels(idx, &l1, &l2);
 		widget = idx == 0 ? mixer_mix_drawing : mixer_drawing[idx-1];
-		if (GTK_WIDGET_VISIBLE(widget) && (pixmap[idx] != NULL)) {
+		if (gtk_widget_get_visible(widget) && (pixmap[idx] != NULL)) {
-			redraw_meters(idx, widget->allocation.width, widget->allocation.height, l1, l2);
+			GtkAllocation allocation;
-			gdk_draw_pixmap(widget->window,
+			gtk_widget_get_allocation(widget, &allocation);
-					widget->style->black_gc,
+			redraw_meters(idx, allocation.width, allocation.height, l1, l2);
-					pixmap[idx],
+
-					0, 0,
+			// Get the window for the widget
-					0, 0,
+			GdkWindow *window = gtk_widget_get_window(widget);
-					widget->allocation.width, widget->allocation.height);
+			// Begin drawing on the window
+			GdkDrawingContext *context = gdk_window_begin_draw_frame(window, NULL);
+			// Get the Cairo context from the drawing context
+			cairo_t *cr = gdk_drawing_context_get_cairo_context(context);
+			// Create a Cairo surface from the pixmap
+			cairo_surface_t *surface = gdk_cairo_surface_create_from_pixbuf(pixmap[idx], 0, window);
+			// Set the source surface to the pixmap (Cairo surface)
+			cairo_set_source_surface(cr, surface, 0, 0);
+			// Define the area to draw (same as the width and height of the widget)
+			cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
+			cairo_fill(cr); // Fill the rectangle with the pixmap
+			// Clean up the Cairo surface
+			cairo_surface_destroy(surface);
+			// End the drawing frame
+			gdk_window_end_draw_frame(window, context);
 		}
 	}
 	return TRUE;

envy24control/midi.c

@@ -243,7 +243,7 @@ int midi_init(char *appname, int channel, int midi_enhanced)
 void mixer_adjust(GtkAdjustment *adj, gpointer data);
 void mixer_set_mute(int stream, int left, int right);
 
-void midi_process(gpointer data, gint source, GdkInputCondition condition)
+gint midi_process(GIOChannel *source, GIOCondition condition, gpointer data)
 {
   snd_seq_event_t *ev;
   static GtkAdjustment *adj=0;
@@ -306,6 +306,7 @@ void midi_process(gpointer data, gint source, GdkInputCondition condition)
       snd_seq_free_event(ev);
     }
   while (snd_seq_event_input_pending(seq, 0) > 0);
+  return TRUE;
 }
 
 /* ************************************************* */

envy24control/midi.h

@@ -7,7 +7,7 @@ int midi_init(char *appname, int channel, int midi_enhanced);
 int midi_close();
 void midi_maxstreams(int);
 int midi_controller(int c, int v);
-void midi_process(gpointer data, gint source, GdkInputCondition condition);
+gint midi_process(GIOChannel *source, GIOCondition condition, gpointer data);
 int midi_button(int b, int v);
 
 #endif

envy24control/mixer.c

@@ -39,7 +39,7 @@ extern int input_channels, output_channels, pcm_output_channels, spdif_channels,
 
 static int is_active(GtkWidget *widget)
 {
-	return GTK_TOGGLE_BUTTON(widget)->active ? 1 : 0;
+	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 }
 
 void mixer_update_stream(int stream, int vol_flag, int sw_flag)
@@ -180,12 +180,13 @@ void mixer_adjust(GtkAdjustment *adj, gpointer data)
 	int button = (long)data & 1;
 	int stereo = is_active(mixer_stereo_toggle[stream-1]) ? 1 : 0;
 	int vol[2] = { -1, -1 };
+	double adjustment_value = gtk_adjustment_get_value(adj);
 
-	vol[button] = 96 - adj->value;
+    vol[button] = 96 - adjustment_value;
-	if (stereo) {
+    if (stereo) {
-		gtk_adjustment_set_value(GTK_ADJUSTMENT(mixer_adj[stream-1][button ^ 1]), adj->value);
+        gtk_adjustment_set_value(GTK_ADJUSTMENT(mixer_adj[stream-1][button ^ 1]), adjustment_value);
-		vol[button ^ 1] = 96 - adj->value;
+        vol[button ^ 1] = 96 - adjustment_value;
-	}
+    }
 	set_volume1(stream, vol[0], vol[1]);
 }
 

envy24control/patchbay.c

@@ -30,7 +30,7 @@ extern int output_channels, input_channels, pcm_output_channels, spdif_channels;
 
 static int is_active(GtkWidget *widget)
 {
-	return GTK_TOGGLE_BUTTON(widget)->active ? 1 : 0;
+	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 }
 
 static int get_toggle_index(int stream)

envy24control/volume.c

@@ -105,9 +105,6 @@ int envy_analog_volume_available(void)
 }
 
 
-/*
- */
-
 void dac_volume_update(int idx)
 {
 	snd_ctl_elem_value_t *val;
@@ -210,14 +207,12 @@ void adc_sense_update(int idx)
 }
 
 
-/*
- */
-
 void dac_volume_adjust(GtkAdjustment *adj, gpointer data)
 {
 	int idx = (int)(long)data;
 	snd_ctl_elem_value_t *val;
-	int err, ival = -(int)adj->value;
+	double adjustment_value = gtk_adjustment_get_value(adj);
+	int err, ival = -(int)adjustment_value;
 	char text[16];
 
 	snd_ctl_elem_value_alloca(&val);
@@ -235,7 +230,8 @@ void adc_volume_adjust(GtkAdjustment *adj, gpointer data)
 {
 	int idx = (int)(long)data;
 	snd_ctl_elem_value_t *val;
-	int err, ival = -(int)adj->value;
+	double adjustment_value = gtk_adjustment_get_value(adj);
+	int err, ival = -(int)adjustment_value;
 	char text[16];
 
 	snd_ctl_elem_value_alloca(&val);
@@ -253,7 +249,8 @@ void ipga_volume_adjust(GtkAdjustment *adj, gpointer data)
 {
 	int idx = (int)(long)data;
 	snd_ctl_elem_value_t *val;
-	int err, ival = -(int)adj->value;
+	double adjustment_value = gtk_adjustment_get_value(adj);
+	int err, ival = -(int)adjustment_value;
 	char text[16];
 
 	snd_ctl_elem_value_alloca(&val);
@@ -299,9 +296,6 @@ void adc_sense_toggled(GtkWidget *togglebutton, gpointer data)
 		g_print("Unable to write adc sense: %s\n", snd_strerror(err));
 }
 
-/*
- */
-
 void analog_volume_init(void)
 {
 	snd_ctl_elem_info_t *info;