From ce8c1719963657aeaf963650183e46979cab0d68 Mon Sep 17 00:00:00 2001 From: Cyrille Bagard Date: Thu, 11 Sep 2014 21:57:53 +0000 Subject: Displayed a default picture when no panel overview is available. git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@403 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a --- ChangeLog | 8 +++ src/gtkext/gtkbufferview.c | 4 +- src/gui/panels/glance.c | 119 +++++++++++++++++++++++++++++++++++++++------ 3 files changed, 113 insertions(+), 18 deletions(-) diff --git a/ChangeLog b/ChangeLog index ac2fce9..2e512f3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,13 @@ 14-09-11 Cyrille Bagard + * src/gtkext/gtkbufferview.c: + Typo. Fix debug code. + + * src/gui/panels/glance.c: + Display a default picture when no panel overview is available. + +14-09-11 Cyrille Bagard + * src/gui/tb/Makefile.am: * src/gui/tb/portions.c: * src/gui/tb/portions.h: diff --git a/src/gtkext/gtkbufferview.c b/src/gtkext/gtkbufferview.c index 8e1a9c7..87928b9 100644 --- a/src/gtkext/gtkbufferview.c +++ b/src/gtkext/gtkbufferview.c @@ -363,8 +363,8 @@ static gboolean gtk_buffer_view_draw(GtkWidget *widget, cairo_t *cr) gtk_style_context_add_class(context, GTK_STYLE_CLASS_TROUGH); - gtk_render_background (context, cr, 0, area.y, view->left_margin, 300000); - gtk_render_frame (context, cr, 0, area.y - 10, view->left_margin, area.height + 20); + gtk_render_background (context, cr, 0, area.y, view->left_margin, area.height); + gtk_render_frame(context, cr, 0, area.y - 10, view->left_margin, area.height + 20); gtk_style_context_restore(context); diff --git a/src/gui/panels/glance.c b/src/gui/panels/glance.c index 89acf5c..0cb190a 100644 --- a/src/gui/panels/glance.c +++ b/src/gui/panels/glance.c @@ -65,6 +65,10 @@ struct _GGlancePanelClass { GPanelItemClass parent; /* A laisser en premier */ + GtkIconInfo *no_image_32; /* Pas d'aperçu en 32x32 */ + GtkIconInfo *no_image_64; /* Pas d'aperçu en 64x64 */ + GtkIconInfo *no_image_128; /* Pas d'aperçu en 128x128 */ + }; @@ -136,6 +140,7 @@ static void g_glance_panel_class_init(GGlancePanelClass *klass) { GObjectClass *object; /* Autre version de la classe */ GEditorItemClass *editem; /* Encore une autre vision... */ + GtkIconTheme *theme; /* Thème GTK offrant des icones*/ object = G_OBJECT_CLASS(klass); @@ -147,6 +152,12 @@ static void g_glance_panel_class_init(GGlancePanelClass *klass) editem->update_view = (update_item_view_fc)update_glance_panel_for_view; editem->update_content = (update_item_view_fc)update_glance_panel_for_view_content; + theme = gtk_icon_theme_get_default(); + + klass->no_image_32 = gtk_icon_theme_lookup_icon(theme, "image-missing", 32, GTK_ICON_LOOKUP_FORCE_SIZE); + klass->no_image_64 = gtk_icon_theme_lookup_icon(theme, "image-missing", 64, GTK_ICON_LOOKUP_FORCE_SIZE); + klass->no_image_128 = gtk_icon_theme_lookup_icon(theme, "image-missing", 128, GTK_ICON_LOOKUP_FORCE_SIZE); + } @@ -179,8 +190,6 @@ static void g_glance_panel_init(GGlancePanel *panel) gtk_container_add(GTK_CONTAINER(base->widget), area); gtk_widget_show(base->widget); - gtk_widget_set_size_request(base->widget, 300, 300); - g_signal_connect(G_OBJECT(area), "draw", G_CALLBACK(redraw_glance_area), panel); g_signal_connect(G_OBJECT(area), "size-allocate", @@ -349,7 +358,12 @@ static void update_glance_panel_for_view(GGlancePanel *panel, GtkViewPanel *view } + /** + * Pour le détail de la hiérarchie, se retourner vers les commentaires + * de la fonction mcb_view_change_support(). + */ parent = gtk_widget_get_parent(GTK_WIDGET(view)); + parent = gtk_widget_get_parent(parent); if (!GTK_IS_SCROLLED_WINDOW(parent)) return; panel->view = view; @@ -393,12 +407,12 @@ static void on_view_scroll_setup(GtkAdjustment *adj, GGlancePanel *panel) if (gtk_adjustment_get_page_size(hadj) == 0 || gtk_adjustment_get_page_size(vadj) == 0) return; + gtk_widget_get_preferred_size(GTK_WIDGET(panel->view), NULL, &panel->req); + compute_glance_scale(panel); on_view_scrolled(adj, panel); - gtk_widget_get_preferred_size(GTK_WIDGET(panel->view), NULL, &panel->req); - update_glance_panel_for_view_content(panel, panel->view); } @@ -478,7 +492,7 @@ static void on_glance_resize(GtkWidget *widget, GdkRectangle *allocation, GGlanc static void compute_glance_scale(GGlancePanel *panel) { GtkAllocation available; /* Surface disponible totale */ - gint border; /* Taille de la bordure */ + //gint border; /* Taille de la bordure */ double sx; /* Echelle sur l'axe X */ double sy; /* Echelle sur l'axe Y */ @@ -505,6 +519,14 @@ static void compute_glance_scale(GGlancePanel *panel) sx = (1.0 * available.width) / panel->req.width; sy = (1.0 * available.height) / panel->req.height; + + printf(" -- avail :: (%d ; %d)\n", available.width, available.height); + + printf(" -- req :: (%d ; %d)\n", panel->req.width, panel->req.height); + + printf(" -- ratio >> (%g ; %g)\n", sx, sy); + + if (sx < sy) { panel->scale = sx; @@ -585,21 +607,78 @@ static void update_glance_panel_for_view_content(GGlancePanel *panel, GtkViewPan static gboolean redraw_glance_area(GtkWidget *widget, cairo_t *cr, GGlancePanel *panel) { - GtkAllocation available; /* Surface disponible totale */ - cairo_t *cairo; /* Gestionnaire de rendu */ -#if 0 - /* Dessin de la bordure */ + GtkAllocation alloc; /* Surface disponible totale */ + GdkWindow *window; /* Fenêtre à redessiner */ + GtkStyleContext *context; /* Contexte du thème actuel */ + gint size; /* Taille d'icone à dessiner */ + GtkIconInfo *no_image; /* Pas d'aperçu en XxX */ + cairo_surface_t *icon; /* Eventuelle icone à dessiner */ - gtk_widget_get_allocation(widget, &available); + gtk_widget_get_allocation(widget, &alloc); - gtk_paint_box(widget->style, event->window, widget->state, - GTK_SHADOW_IN, &event->area, NULL, NULL, - 0, 0, available.width, available.height); + window = gtk_widget_get_window(widget); - /* Dessin de l'aperçu */ + cairo_save(cr); + gtk_cairo_transform_to_window(cr, widget, window); - if (panel->cache != NULL) + context = gtk_widget_get_style_context(widget); + gtk_style_context_save(context); + + /* S'il n'existe pas d'aperçu actuellement... */ + if (panel->cache == NULL) + { + gtk_style_context_add_class(context, GTK_STYLE_CLASS_VIEW); + gtk_render_background(context, cr, alloc.x, alloc.y, alloc.width, alloc.height); + gtk_style_context_restore(context); + + gtk_style_context_save(context); + gtk_style_context_add_class(context, GTK_STYLE_CLASS_FRAME); + gtk_render_frame(context, cr, alloc.x, alloc.y, alloc.width, alloc.height); + + /* Choix de l'image par défaut */ + + if (alloc.width > 128 && alloc.height > 128) + { + size = 128; + no_image = G_GLANCE_PANEL_GET_CLASS(panel)->no_image_128; + } + else if (alloc.width > 64 && alloc.height > 64) + { + size = 64; + no_image = G_GLANCE_PANEL_GET_CLASS(panel)->no_image_64; + } + else if (alloc.width > 32 && alloc.height > 32) + { + size = 32; + no_image = G_GLANCE_PANEL_GET_CLASS(panel)->no_image_32; + } + else + no_image = NULL; + + /* Dessin de cette image */ + if (no_image != NULL) + { + icon = gtk_icon_info_load_surface(no_image, window, NULL); + + gtk_render_icon_surface(context, cr, icon, + (alloc.width - size) / 2, + (alloc.height - size) / 2); + + cairo_surface_destroy(icon); + + } + + } + + /* Si on dispose de graphique à représenter... */ + else { + + /* TODO ... */ + + +#if 0 + cairo = gdk_cairo_create(widget->window); cairo_rectangle(cairo, panel->visible.x, panel->visible.y, @@ -621,8 +700,16 @@ static gboolean redraw_glance_area(GtkWidget *widget, cairo_t *cr, GGlancePanel cairo_destroy(cairo); - } #endif + + + + } + + gtk_style_context_restore(context); + + cairo_restore(cr); + return TRUE; } -- cgit v0.11.2-87-g4458