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comparison gtk4/dw.c @ 2301:69b06073a87d

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GTK4: The "realize" signal is not quite the same as "size-allocate" so if the widget allocation is too small keep requesting it be called again until the size is valid.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Mon, 08 Feb 2021 23:07:52 +0000
parents 6e47d510dbbb
children 785775b9002f
comparison
equal deleted inserted replaced
2300:6e47d510dbbb 2301:69b06073a87d
8585 } 8585 }
8586 } 8586 }
8587 } 8587 }
8588 8588
8589 /* Function to do delayed positioning */ 8589 /* Function to do delayed positioning */
8590 gboolean _splitbar_set_percent(gpointer data) 8590 gboolean _dw_splitbar_set_percent(gpointer data)
8591 { 8591 {
8592 GtkWidget *widget = data; 8592 GtkWidget *widget = data;
8593 float *percent = (float *)g_object_get_data(G_OBJECT(widget), "_dw_percent"); 8593 float *percent = (float *)g_object_get_data(G_OBJECT(widget), "_dw_percent");
8594 8594
8595 if(percent) 8595 if(percent)
8596 { 8596 {
8597 GtkAllocation alloc; 8597 GtkAllocation alloc;
8598 8598
8599 gtk_widget_get_allocation(widget, &alloc); 8599 gtk_widget_get_allocation(widget, &alloc);
8600 8600
8601 if(gtk_orientable_get_orientation(GTK_ORIENTABLE(widget)) == GTK_ORIENTATION_HORIZONTAL) 8601 if(alloc.width > 10 && alloc.height > 10)
8602 gtk_paned_set_position(GTK_PANED(widget), (int)(alloc.width * (*percent / 100.0))); 8602 {
8603 if(gtk_orientable_get_orientation(GTK_ORIENTABLE(widget)) == GTK_ORIENTATION_HORIZONTAL)
8604 gtk_paned_set_position(GTK_PANED(widget), (int)(alloc.width * (*percent / 100.0)));
8605 else
8606 gtk_paned_set_position(GTK_PANED(widget), (int)(alloc.height * (*percent / 100.0)));
8607 g_object_set_data(G_OBJECT(widget), "_dw_percent", NULL);
8608 free(percent);
8609 }
8603 else 8610 else
8604 gtk_paned_set_position(GTK_PANED(widget), (int)(alloc.height * (*percent / 100.0))); 8611 return TRUE;
8605 g_object_set_data(G_OBJECT(widget), "_dw_percent", NULL);
8606 free(percent);
8607 } 8612 }
8608 return FALSE; 8613 return FALSE;
8609 } 8614 }
8610 8615
8611 /* Reposition the bar according to the percentage */ 8616 /* Reposition the bar according to the percentage */
8612 static gint _splitbar_realize(GtkWidget *widget, gpointer data) 8617 static gint _dw_splitbar_realize(GtkWidget *widget, gpointer data)
8613 { 8618 {
8614 float *percent = (float *)g_object_get_data(G_OBJECT(widget), "_dw_percent"); 8619 float *percent = (float *)g_object_get_data(G_OBJECT(widget), "_dw_percent");
8615 8620
8616 /* Prevent infinite recursion ;) */ 8621 /* Prevent infinite recursion ;) */
8617 if(!percent) 8622 if(!percent)
8618 return FALSE; 8623 return FALSE;
8619 8624
8620 g_idle_add(_splitbar_set_percent, widget); 8625 g_idle_add(_dw_splitbar_set_percent, widget);
8621 return FALSE; 8626 return FALSE;
8622 } 8627 }
8623 8628
8624 /* 8629 /*
8625 * Creates a splitbar window (widget) with given parameters. 8630 * Creates a splitbar window (widget) with given parameters.
8643 gtk_paned_set_resize_end_child(GTK_PANED(tmp), TRUE); 8648 gtk_paned_set_resize_end_child(GTK_PANED(tmp), TRUE);
8644 gtk_paned_set_shrink_end_child(GTK_PANED(tmp), FALSE); 8649 gtk_paned_set_shrink_end_child(GTK_PANED(tmp), FALSE);
8645 g_object_set_data(G_OBJECT(tmp), "_dw_id", GINT_TO_POINTER(id)); 8650 g_object_set_data(G_OBJECT(tmp), "_dw_id", GINT_TO_POINTER(id));
8646 *percent = 50.0; 8651 *percent = 50.0;
8647 g_object_set_data(G_OBJECT(tmp), "_dw_percent", (gpointer)percent); 8652 g_object_set_data(G_OBJECT(tmp), "_dw_percent", (gpointer)percent);
8648 g_signal_connect(G_OBJECT(tmp), "realize", G_CALLBACK(_splitbar_realize), NULL); 8653 g_signal_connect(G_OBJECT(tmp), "realize", G_CALLBACK(_dw_splitbar_realize), NULL);
8649 gtk_widget_show(tmp); 8654 gtk_widget_show(tmp);
8650 return tmp; 8655 return tmp;
8651 } 8656 }
8652 8657
8653 /* 8658 /*