On 04/02/13 18:36, HMRG software wrote: > > Hi all, > > Following is demo code for the 3.8 toplevel window resize bug I described > in the previous message on this thread. If anyone sees any errors on my > part, please let me know. I will otherwise file a bug report on this shortly.
I believe there's already one: https://bugzilla.gnome.org/show_bug.cgi?id=696882 I've also proposed a patch there, which should fix the issue. -j > > The code displays a small main window with one button. Click it. This > causes a second small window to appear, also with one button. Click that to > hide the second window (or click the latter's titlebar window manager window > delete button if any). Then re-click the button in the first window to > re-show the second window. The latter reappears, but at a munged size. > Absolutely nothing was done within my code here to the second window or > its children between the hide and the re-show. My test platform is 64-bit > CentOS 6.4, using all the latest/greatest gtk-related packages other than > pango (still at 1.32.4 because later versions do not build for me ;-( ). > The munged resize demonstrated here does not occur under 3.6.2. > > Thanks! > > Roger Davis > Univ. of Hawaii > > /********** begin code ************/ > #include <stdio.h> > #include <stdlib.h> > #include <gtk/gtk.h> > > GtkWidget *mainwin, *rszwin; > > void > errexit(char *msg) > { > (void) fprintf(stderr, "%s\n", msg); > exit(-1); > } > > gboolean > windelproc(GtkWidget *w, GdkEvent *evt, gpointer gp) > { > if (w == mainwin) { > exit(0); > return TRUE; > } > else if (w == rszwin) { > gtk_widget_hide(rszwin); > return TRUE; > } > > return FALSE; > } > > void > mainopenproc(GtkWidget *w, gpointer gp) > { > gtk_widget_show(rszwin); > > return; > } > > void > rszcloseproc(GtkWidget *w, gpointer gp) > { > gtk_widget_hide(rszwin); > > return; > } > > void > mktoplevelwin(GtkWidget **tlwin, GtkWidget **scrwin, GtkWidget **layout) > { > GtkRequisition grq; > > *tlwin= *scrwin= *layout= (GtkWidget *) 0; > if ((*tlwin= gtk_window_new(GTK_WINDOW_TOPLEVEL)) == (GtkWidget *) 0) > errexit("Toplevel window creation error."); > if ((*scrwin= gtk_scrolled_window_new(NULL, NULL)) == (GtkWidget *) 0) > errexit("Scrolled window window creation error."); > gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(*scrwin), > GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); > gtk_container_add(GTK_CONTAINER(*tlwin), *scrwin); > if ((*layout= gtk_layout_new((GtkAdjustment *) NULL, (GtkAdjustment *) > NULL)) == (GtkWidget *) 0) > errexit("Layout creation error."); > gtk_container_add(GTK_CONTAINER(*scrwin), *layout); > > return; > } > > void > mkbutton(GtkWidget **b, GtkRequisition *gr, GtkWidget *parent, gint x, gint > y, char *label, void (*proc)()) > { > *b= (GtkWidget *) 0; > if ((*b= gtk_button_new_with_label(label)) == (GtkWidget *) 0) > errexit("Button creation error."); > g_signal_connect(*b, "clicked", G_CALLBACK(proc), *b); > gtk_layout_put(GTK_LAYOUT(parent), *b, x, y); > gtk_widget_show_all(*b); > gtk_widget_get_preferred_size(*b, gr, NULL); > > return; > } > > gint > main(gint argc, gchar *argv[]) > { > GtkWidget *sw, *lo, *b; > gint w, h; > GtkRequisition grq; > GdkGeometry geom; > > if (gtk_init_check(&argc, &argv) == FALSE) > errexit("GTK+ initialization error."); > > mktoplevelwin(&mainwin, &sw, &lo); > g_signal_connect(mainwin, "delete-event", G_CALLBACK(windelproc), > (gpointer) mainwin); > mkbutton(&b, &grq, lo, 100, 100, "Open Resize Test Window", > mainopenproc); > w= 100+grq.width+100; > h= 100+grq.height+100; > gtk_window_set_default_size(GTK_WINDOW(mainwin), w, h); > gtk_layout_set_size(GTK_LAYOUT(lo), w, h); > geom.max_width= w; > geom.max_height= h; > gtk_window_set_geometry_hints(GTK_WINDOW(mainwin), NULL, &geom, > GDK_HINT_MAX_SIZE); > gtk_widget_show_all(sw); > > mktoplevelwin(&rszwin, &sw, &lo); > g_signal_connect(rszwin, "delete-event", G_CALLBACK(windelproc), > (gpointer) rszwin); > mkbutton(&b, &grq, lo, 100, 100, "Close This Window", rszcloseproc); > w= 100+grq.width+100; > h= 100+grq.height+100; > gtk_window_set_default_size(GTK_WINDOW(rszwin), w, h); > gtk_layout_set_size(GTK_LAYOUT(lo), w, h); > geom.max_width= w; > geom.max_height= h; > gtk_window_set_geometry_hints(GTK_WINDOW(rszwin), NULL, &geom, > GDK_HINT_MAX_SIZE); > gtk_widget_show_all(sw); > > gtk_widget_show(mainwin); > > gtk_main(); > > return 0; > } > /********** end code ************/ > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
