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Diffstat (limited to 'src/gtkext/gtkbufferview.c')
| -rw-r--r-- | src/gtkext/gtkbufferview.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/src/gtkext/gtkbufferview.c b/src/gtkext/gtkbufferview.c new file mode 100644 index 0000000..81fb998 --- /dev/null +++ b/src/gtkext/gtkbufferview.c @@ -0,0 +1,323 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * gtkbufferview.c - affichage de tampons de lignes + * + * Copyright (C) 2010 Cyrille Bagard + * + * This file is part of OpenIDA. + * + * OpenIDA is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * OpenIDA is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Foobar. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include "gtkbufferview-int.h" + + + +/* -------------------------- INTERACTION DIRECTE AVEC GTK -------------------------- */ + + +/* Procède à l'initialisation de l'afficheur de tampons. */ +static void gtk_buffer_view_class_init(GtkBufferViewClass *); + +/* Procède à l'initialisation de l'afficheur de tampons. */ +static void gtk_buffer_view_init(GtkBufferView *); + +/* Fournit la taille de composant requise pour un plein rendu. */ +static void gtk_buffer_view_size_request(GtkWidget *, GtkRequisition *); + +/* S'adapte à la surface concédée par le composant parent. */ +static void gtk_buffer_view_size_allocate(GtkWidget *, GtkAllocation *); + +/* Met à jour l'affichage de la visualisation de code buffer. */ +static gboolean gtk_buffer_view_expose(GtkWidget *, GdkEventExpose *); + + + +/* ---------------------------------------------------------------------------------- */ +/* INTERACTION DIRECTE AVEC GTK */ +/* ---------------------------------------------------------------------------------- */ + + +/* Détermine le type du composant d'affichage de tampon de lignes. */ +G_DEFINE_TYPE(GtkBufferView, gtk_buffer_view, GTK_TYPE_VIEW_PANEL) + + +/****************************************************************************** +* * +* Paramètres : class = classe GTK à initialiser. * +* * +* Description : Procède à l'initialisation de l'afficheur de tampons. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void gtk_buffer_view_class_init(GtkBufferViewClass *class) +{ + GtkWidgetClass *widget_class; /* Classe version Widget */ + + widget_class = GTK_WIDGET_CLASS(class); + + widget_class->size_request = gtk_buffer_view_size_request; + widget_class->size_allocate = gtk_buffer_view_size_allocate; + widget_class->expose_event = gtk_buffer_view_expose; + +} + + +/****************************************************************************** +* * +* Paramètres : view = composant GTK à initialiser. * +* * +* Description : Procède à l'initialisation de l'afficheur de tampons. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void gtk_buffer_view_init(GtkBufferView *view) +{ + +} + + +/****************************************************************************** +* * +* Paramètres : widget = composant GTK à consulter. * +* requisition = dimensions souhaitées. [OUT] * +* * +* Description : Fournit la taille de composant requise pour un plein rendu. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void gtk_buffer_view_size_request(GtkWidget *widget, GtkRequisition *requisition) +{ + if (GTK_BUFFER_VIEW(widget)->buffer_view != NULL) + { + + g_buffer_view_get_size(GTK_BUFFER_VIEW(widget)->buffer_view, + &requisition->width, &requisition->height); + + printf(" === size req :: (%d ; %d)\n", + requisition->width, requisition->height); + + } + else printf(" === size req :: ??\n"); + +} + + +/****************************************************************************** +* * +* Paramètres : view = composant GTK à mettre à jour. * +* allocation = étendue accordée à la vue. * +* * +* Description : S'adapte à la surface concédée par le composant parent. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void gtk_buffer_view_size_allocate(GtkWidget *widget, GtkAllocation *allocation) +{ + GtkViewPanel *panel; /* Autre version du composant */ + gint width; /* Largeur de l'objet actuelle */ + gint height; /* Hauteur de l'objet actuelle */ + GtkAllocation valloc; /* Surface utilisable */ + gboolean changed; /* Changement de valeur ? */ + + /* Mise à jour GTK */ + + widget->allocation = *allocation; + + if (GTK_WIDGET_REALIZED(widget)) + gdk_window_move_resize(widget->window, + allocation->x, allocation->y, + allocation->width, allocation->height); + + panel = GTK_VIEW_PANEL(widget); + + if (panel->hadjustment == NULL || panel->vadjustment == NULL) + return; + + g_buffer_view_get_size(GTK_BUFFER_VIEW(widget)->buffer_view, &width, &height); + + gtk_view_panel_compute_allocation(panel, &valloc); + + /* Défilement horizontal */ + + panel->hadjustment->page_size = valloc.width; + panel->hadjustment->step_increment = valloc.width * 0.1; + panel->hadjustment->page_increment = valloc.width * 0.9; + + panel->hadjustment->upper = MAX(width, valloc.width); + + gtk_view_panel_reclamp_adjustment(panel->hadjustment, &changed); + + gtk_adjustment_changed(panel->hadjustment); + + if (changed) + gtk_adjustment_value_changed(panel->hadjustment); + + /* Défilement vertical */ + + panel->vadjustment->page_size = valloc.height; + panel->vadjustment->step_increment = GTK_BUFFER_VIEW(widget)->line_height; + panel->vadjustment->page_increment = panel->vadjustment->step_increment * 10.0; + + panel->vadjustment->upper = MAX(height, valloc.height); + + gtk_view_panel_reclamp_adjustment(panel->vadjustment, &changed); + + gtk_adjustment_changed(panel->vadjustment); + + if (changed) + gtk_adjustment_value_changed(panel->vadjustment); + +} + + +/****************************************************************************** +* * +* Paramètres : view = composant GTK à redessiner. * +* event = informations liées à l'événement. * +* * +* Description : Met à jour l'affichage de la visualisation de code buffer. * +* * +* Retour : FALSE pour poursuivre la propagation de l'événement. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static gboolean gtk_buffer_view_expose(GtkWidget *widget, GdkEventExpose *event) +{ + GtkBufferView *view; /* Autre version du composant */ + GtkViewPanel *pview; /* Autre version du composant */ + GtkStyle *style; /* Style associé au composant */ + GdkDrawable *drawable; /* Surface de dessin */ + gint fake_x; /* Abscisse virtuelle */ + gint fake_y; /* Ordonnée virtuelle */ + GtkViewPanelClass *parent_class; /* Version pure du parent */ + + view = GTK_BUFFER_VIEW(widget); + widget = GTK_WIDGET(view); + pview = GTK_VIEW_PANEL(widget); + + drawable = GDK_DRAWABLE(event->window); + + gdk_window_begin_paint_region(drawable, event->region); + + gdk_gc_set_clip_region(pview->gc, event->region); + + style = gtk_widget_get_style(GTK_WIDGET(view)); + + fake_x = 0; + fake_y = 0; + //gtk_block_view_compute_fake_coord(view, &fake_x, &fake_y); + + /* Dessin de la marge gauche */ + + gdk_gc_set_foreground(pview->gc, &style->mid[GTK_WIDGET_STATE(widget)]); + + gdk_draw_rectangle(drawable, pview->gc, TRUE, + fake_x, event->area.y, view->left_margin, event->area.y + event->area.height); + + gdk_gc_set_foreground(pview->gc, &style->dark[GTK_WIDGET_STATE(widget)]); + + gdk_draw_line(drawable, pview->gc, + fake_x + view->left_margin, event->area.y, + fake_x + view->left_margin, event->area.y + event->area.height); + + /* Eventuelle bordure globale */ + + parent_class = g_type_class_peek(g_type_parent(GTK_TYPE_BUFFER_VIEW)); + + GTK_WIDGET_CLASS(parent_class)->expose_event(widget, event); + + /* Impression du désassemblage */ + + if (view->buffer_view != NULL) + g_buffer_view_draw(view->buffer_view, event, pview->gc, fake_x, fake_y); + + gdk_window_end_paint(drawable); + + return TRUE; + +} + + +/****************************************************************************** +* * +* Paramètres : view = composant GTK à mettre à jour. * +* buffer = tampon de lignes à encadrer. * +* * +* Description : Prend acte de l'association d'un tampon de lignes. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void gtk_buffer_view_attach_buffer(GtkBufferView *view, GCodeBuffer *buffer) +{ + gint width; /* Largeur de l'objet actuelle */ + gint height; /* Hauteur de l'objet actuelle */ + + if (view->buffer != NULL) + { + g_object_unref(G_OBJECT(view->buffer)); + g_object_unref(G_OBJECT(view->buffer_view)); + } + + view->buffer = buffer; + g_object_ref(G_OBJECT(view->buffer)); + + view->buffer_view = g_buffer_view_new(view->buffer); + + //gdk_threads_enter(); + + /* Taille des marges */ + + view->line_height = g_buffer_view_get_line_height(view->buffer_view); + view->left_margin = 2 * view->line_height; + view->left_text = -2.5 * view->line_height; + + /* Validation finale */ + + g_buffer_view_get_size(view->buffer_view, &width, &height); + + width += -view->left_text + 1; + height += 1; + + gtk_widget_set_size_request(GTK_WIDGET(view), width, height); + + gtk_widget_queue_draw(GTK_WIDGET(view)); + + //gdk_flush (); + //gdk_threads_leave(); + +} |