/* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 2007 Holger Berndt <hb@claws-mail.org>
- * and the Claws Mail team
+ * Copyright (C) 2007 Holger Berndt <hb@claws-mail.org>,
+ * Colin Leroy <colin@colino.net>, and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#endif
#include "printing.h"
+#include "image_viewer.h"
-#if GTK_CHECK_VERSION(2,10,0) && !defined(HAVE_GNOMEPRINT)
+#if GTK_CHECK_VERSION(2,10,0) && !defined(USE_GNOMEPRINT)
+#include "gtkutils.h"
+#include "toolbar.h"
#include "prefs_common.h"
#include <glib/gi18n.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtk.h>
#include <pango/pango.h>
#include <string.h>
+#include <math.h>
typedef struct {
PangoLayout *layout;
PangoContext *pango_context;
char *text;
GList *page_breaks;
+ guint npages;
GtkTextBuffer *buffer;
gint sel_start;
gint sel_end;
+ GHashTable *images;
+ gint img_cnt;
+ gdouble zoom;
} PrintData;
+typedef struct {
+ GtkPrintOperation *op;
+ GtkPrintOperationPreview *preview;
+ GtkWidget *dialog;
+ GtkWidget *scrolled_window;
+ GtkWidget *area;
+ PrintData *print_data;
+ GtkWidget *page_nr_label;
+ GList *pages_to_print;
+ GList *current_page;
+ GtkWidget *first;
+ GtkWidget *next;
+ GtkWidget *previous;
+ GtkWidget *last;
+ GtkWidget *close;
+ GtkWidget *zoom_100;
+ GtkWidget *zoom_fit;
+ GtkWidget *zoom_in;
+ GtkWidget *zoom_out;
+ gboolean rendering;
+ gint page_width;
+ gint page_height;
+} PreviewData;
/* callbacks */
-static void cb_begin_print(GtkPrintOperation*, GtkPrintContext*, gpointer);
-static void cb_draw_page(GtkPrintOperation*, GtkPrintContext*, gint, gpointer);
+static void cb_begin_print(GtkPrintOperation*, GtkPrintContext*, gpointer);
+static void cb_draw_page(GtkPrintOperation*, GtkPrintContext*, gint,
+ gpointer);
+static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
+ GtkPrintContext*, GtkWindow*, gpointer);
+static void cb_preview_destroy(GtkWindow*, gpointer);
+static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
+static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
+static void cb_preview_ready(GtkPrintOperationPreview*,
+ GtkPrintContext*, gpointer);
+static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
+static void cb_preview_got_page_size(GtkPrintOperationPreview*,
+ GtkPrintContext*,
+ GtkPageSetup*, gpointer);
+static void cb_preview_go_first(GtkButton*, gpointer);
+static void cb_preview_go_previous(GtkButton*, gpointer);
+static void cb_preview_go_next(GtkButton*, gpointer);
+static void cb_preview_go_last(GtkButton*, gpointer);
+static void cb_preview_btn_close(GtkButton*, gpointer);
+static void cb_preview_zoom_100(GtkButton*, gpointer);
+static void cb_preview_zoom_fit(GtkButton*, gpointer);
+static void cb_preview_zoom_in(GtkButton*, gpointer);
+static void cb_preview_zoom_out(GtkButton*, gpointer);
+static void cb_preview_request_page_setup(GtkPrintOperation*,
+ GtkPrintContext*,
+ gint,GtkPageSetup*,gpointer);
+
+static void printing_preview_update_zoom_sensitivity(PreviewData*);
/* variables */
static GtkPrintSettings *settings = NULL;
static GtkPageSetup *page_setup = NULL;
/* other static functions */
-static void printing_layout_set_text_attributes(PrintData*);
+static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *);
static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
+#define PREVIEW_SCALE 72
+#define PREVIEW_SHADOW_OFFSET 3
+#define PREVIEW_ZOOM_FAC 1.41
+#define PREVIEW_ZOOM_MAX 10.
+#define PREVIEW_ZOOM_MIN 0.2
+
+static void free_pixbuf(gpointer key, gpointer value, gpointer data)
+{
+ PangoAttrShape *attr = (PangoAttrShape *) value;
+ g_object_unref(G_OBJECT(attr->data));
+}
+
void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end)
{
GtkPrintOperation *op;
print_data = g_new0(PrintData,1);
+ print_data->zoom = 1.;
+
+ print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
print_data->pango_context=gtk_widget_get_pango_context(GTK_WIDGET(text_view));
/* get text */
print_data->text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
+ if (settings == NULL) {
+ settings = gtk_print_settings_new();
+ gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
+ gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
+ gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
+ gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
+ }
+ if (page_setup == NULL) {
+ page_setup = gtk_page_setup_new();
+ if (prefs_common.print_paper_type && *prefs_common.print_paper_type) {
+ GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
+ gtk_page_setup_set_paper_size(page_setup, paper);
+ gtk_paper_size_free(paper);
+ }
+ gtk_page_setup_set_orientation(page_setup, prefs_common.print_paper_orientation);
+ }
+
/* Config for printing */
- if(settings != NULL)
- gtk_print_operation_set_print_settings(op, settings);
- if(page_setup != NULL)
- gtk_print_operation_set_default_page_setup(op, page_setup);
+ gtk_print_operation_set_print_settings(op, settings);
+ gtk_print_operation_set_default_page_setup(op, page_setup);
/* signals */
g_signal_connect(op, "begin_print", G_CALLBACK(cb_begin_print), print_data);
g_signal_connect(op, "draw_page", G_CALLBACK(cb_draw_page), print_data);
+ g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
/* Start printing process */
res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
if(settings != NULL)
g_object_unref(settings);
settings = g_object_ref(gtk_print_operation_get_print_settings(op));
+ prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
+ prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
+ prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
+ prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
}
+ g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
+ g_hash_table_destroy(print_data->images);
if(print_data->text)
g_free(print_data->text);
g_list_free(print_data->page_breaks);
if(print_data->layout)
g_object_unref(print_data->layout);
+
g_free(print_data);
g_object_unref(op);
{
GtkPageSetup *new_page_setup;
- if(settings == NULL)
+ if(settings == NULL) {
settings = gtk_print_settings_new();
+ gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
+ gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
+ gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
+ gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
+ }
+ if (page_setup == NULL) {
+ page_setup = gtk_page_setup_new();
+ if (prefs_common.print_paper_type && *prefs_common.print_paper_type) {
+ GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
+ gtk_page_setup_set_paper_size(page_setup, paper);
+ gtk_paper_size_free(paper);
+ }
+ gtk_page_setup_set_orientation(page_setup, prefs_common.print_paper_orientation);
+ }
new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
g_object_unref(page_setup);
page_setup = new_page_setup;
+
+ g_free(prefs_common.print_paper_type);
+ prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
+ gtk_page_setup_get_paper_size(page_setup)));
+ prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
+}
+
+static gboolean cb_preview(GtkPrintOperation *operation,
+ GtkPrintOperationPreview *preview,
+ GtkPrintContext *context,
+ GtkWindow *parent,
+ gpointer data)
+{
+ PrintData *print_data;
+ cairo_t *cr;
+ PreviewData *preview_data;
+ GtkWidget *vbox;
+ GtkWidget *toolbar;
+ GtkWidget *da;
+ GtkWidget *sw;
+ GtkWidget *page;
+ GtkToolItem *separator;
+ static GdkGeometry geometry;
+ GtkWidget *dialog = NULL;
+ GtkTooltips *toolbar_tips = gtk_tooltips_new();
+ GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
+ debug_print("Creating internal print preview\n");
+
+ print_data = (PrintData*) data;
+
+ preview_data = g_new0(PreviewData,1);
+ preview_data->print_data = print_data;
+ preview_data->op = g_object_ref(operation);
+ preview_data->preview = preview;
+
+ /* Window */
+ dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
+ preview_data->dialog = dialog;
+ if(!geometry.min_height) {
+ geometry.min_width = 600;
+ geometry.min_height = 400;
+ }
+ gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
+ GDK_HINT_MIN_SIZE);
+ gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
+ prefs_common.print_previewwin_height);
+ gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
+
+ /* vbox */
+ vbox = gtk_vbox_new(FALSE, 0);
+ gtk_container_add(GTK_CONTAINER(dialog), vbox);
+
+ /* toolbar */
+ toolbar = gtk_toolbar_new();
+ gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
+ switch (prefs_common.toolbar_style) {
+ case TOOLBAR_ICON:
+ gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
+ break;
+ case TOOLBAR_TEXT:
+ gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
+ break;
+ case TOOLBAR_BOTH_HORIZ:
+ gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
+ break;
+ case TOOLBAR_BOTH:
+ default:
+ gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
+ }
+ gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
+
+ gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
+
+#define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
+ item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
+ gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
+ gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
+ gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
+ g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
+ gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(item), GTK_TOOLTIPS(toolbar_tips), \
+ tooltip, NULL); \
+}
+
+ TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST, _("First page"), cb_preview_go_first, preview_data);
+ TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK, _("Previous page"), cb_preview_go_previous, preview_data);
+
+ page = gtk_label_new("");
+ gtk_widget_set_size_request(page, 100, -1);
+ preview_data->page_nr_label = page;
+
+ TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD, _("Next page"), cb_preview_go_next, preview_data);
+ TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST, _("Last page"), cb_preview_go_last, preview_data);
+
+ separator = gtk_separator_tool_item_new();
+ gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
+
+ TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100, _("Zoom 100%"), cb_preview_zoom_100, preview_data);
+ TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT, _("Zoom fit"), cb_preview_zoom_fit, preview_data);
+ TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN, _("Zoom in"), cb_preview_zoom_in, preview_data);
+ TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT, _("Zoom out"), cb_preview_zoom_out, preview_data);
+
+ separator = gtk_separator_tool_item_new();
+ gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
+
+ /* tooltip has to be NULL else it triggers an expose_event */
+ TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL, cb_preview_btn_close, preview_data);
+
+ gtk_widget_show(statusbar);
+ gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
+ gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
+ /* Drawing area */
+ sw = gtk_scrolled_window_new(NULL, NULL);
+ gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
+ da = gtk_drawing_area_new();
+ gtk_widget_set_double_buffered(da, FALSE);
+ gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
+ da);
+ gtk_widget_realize(da);
+ preview_data->scrolled_window = sw;
+ preview_data->area = da;
+
+ /* cairo context */
+ cr = gdk_cairo_create(da->window);
+ gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
+ cairo_destroy(cr);
+
+ /* signals */
+ g_signal_connect(dialog, "key_press_event",
+ G_CALLBACK(cb_preview_close), preview_data);
+ g_signal_connect(dialog, "size_allocate",
+ G_CALLBACK(cb_preview_size_allocate), NULL);
+ g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
+ preview_data);
+ g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
+ preview_data);
+ g_signal_connect(preview, "got-page-size",
+ G_CALLBACK(cb_preview_got_page_size), preview_data);
+
+ g_signal_connect(operation, "request-page-setup",
+ G_CALLBACK(cb_preview_request_page_setup), preview_data);
+
+ gtk_widget_show_all(dialog);
+ return TRUE;
+}
+
+static void cb_preview_destroy(GtkWindow *window, gpointer data)
+{
+ PreviewData *preview_data;
+ preview_data = (PreviewData*) data;
+
+ if (preview_data->rendering)
+ return;
+ debug_print("Preview window destroyed\n");
+
+ gtk_print_operation_preview_end_preview(preview_data->preview);
+ g_object_unref(preview_data->op);
+ g_list_free(preview_data->pages_to_print);
+
+ g_free(preview_data);
+}
+
+static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
+ gpointer data)
+{
+ PreviewData *preview_data = (PreviewData *)data;
+ if(event->type == GDK_KEY_PRESS)
+ if(((GdkEventKey *)event)->keyval != GDK_Escape)
+ return FALSE;
+ if (preview_data->rendering)
+ return FALSE;
+ gtk_widget_destroy(widget);
+ return FALSE;
+}
+
+static void cb_preview_size_allocate(GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ g_return_if_fail(allocation != NULL);
+
+ prefs_common.print_previewwin_width = allocation->width;
+ prefs_common.print_previewwin_height = allocation->height;
+}
+
+static void cb_preview_ready(GtkPrintOperationPreview *preview,
+ GtkPrintContext *context,
+ gpointer data)
+{
+ PreviewData *preview_data;
+ gint iPage;
+ preview_data = (PreviewData*) data;
+ debug_print("preview_ready %d\n", preview_data->print_data->npages);
+
+ for(iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
+ if(gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
+ preview_data->pages_to_print =
+ g_list_prepend(preview_data->pages_to_print, GINT_TO_POINTER(iPage));
+ debug_print("want to print page %d\n",iPage+1);
+ }
+ }
+
+ preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
+ preview_data->current_page = preview_data->pages_to_print;
+
+ g_signal_connect(preview_data->area, "expose_event",
+ G_CALLBACK(cb_preview_expose),
+ preview_data);
+
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
+ GtkPrintContext *context,
+ GtkPageSetup *page_setup,
+ gpointer data)
+{
+ PreviewData *preview_data;
+ GtkPageOrientation orientation;
+ GtkPaperSize *paper_size;
+ gint paper_width;
+ gint paper_height;
+
+ preview_data = (PreviewData*) data;
+ debug_print("got_page_size\n");
+ orientation = gtk_page_setup_get_orientation(page_setup);
+ paper_size = gtk_page_setup_get_paper_size(page_setup);
+ paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
+ * PREVIEW_SCALE);
+ paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
+ * PREVIEW_SCALE);
+
+ preview_data->page_width = paper_width;
+ preview_data->page_height = paper_height;
+
+ debug_print("w/h %d/%d\n", paper_width, paper_height);
+ gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
+ paper_width, paper_height);
+}
+
+static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
+ gpointer data)
+{
+ PreviewData *preview_data = data;
+ GdkGC *gc;
+ GdkColor white;
+ GdkColor black;
+ GdkColor gray;
+
+ debug_print("preview_expose (current %p)\n", preview_data->current_page);
+ gdk_window_clear(preview_data->area->window);
+
+ white.red = 65535;
+ white.green = 65535;
+ white.blue = 65535;
+ black.red = 0;
+ black.green = 0;
+ black.blue = 0;
+ gray.red = 32700;
+ gray.green = 32700;
+ gray.blue = 32700;
+
+ gc = gdk_gc_new(GDK_DRAWABLE(preview_data->area->window));
+
+ /* background */
+ gdk_gc_set_rgb_fg_color(gc, &gray);
+ gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
+ preview_data->area->allocation.width,
+ preview_data->area->allocation.height);
+
+ /* shadow */
+ gdk_gc_set_rgb_fg_color(gc, &black);
+ gdk_draw_rectangle(preview_data->area->window, gc, TRUE,
+ PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
+ preview_data->page_width+PREVIEW_SHADOW_OFFSET,
+ preview_data->page_height+PREVIEW_SHADOW_OFFSET);
+
+ /* paper */
+ gdk_gc_set_rgb_fg_color(gc, &white);
+ gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
+ preview_data->page_width,
+ preview_data->page_height);
+
+ g_object_unref(gc);
+
+ if(preview_data->current_page) {
+ preview_data->rendering = TRUE;
+ gtk_widget_set_sensitive(preview_data->close, FALSE);
+ int cur = GPOINTER_TO_INT(preview_data->current_page->data);
+ gchar *str;
+ str = g_strdup_printf(_("Page %d"), cur+1);
+ gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
+ g_free(str);
+ gtk_print_operation_preview_render_page(preview_data->preview,
+ GPOINTER_TO_INT
+ (preview_data->current_page->data));
+
+ gtk_widget_set_sensitive(preview_data->first, preview_data->current_page->prev != NULL);
+ gtk_widget_set_sensitive(preview_data->previous, preview_data->current_page->prev != NULL);
+ gtk_widget_set_sensitive(preview_data->next, preview_data->current_page->next != NULL);
+ gtk_widget_set_sensitive(preview_data->last, preview_data->current_page->next != NULL);
+ gtk_widget_set_sensitive(preview_data->close, TRUE);
+ preview_data->rendering = FALSE;
+
+ }
+ return TRUE;
+}
+
+static void cb_preview_go_first(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ preview_data->current_page = preview_data->pages_to_print;
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_go_previous(GtkButton *button, gpointer data)
+{
+ GList *next;
+ PreviewData *preview_data = (PreviewData*) data;
+ next = g_list_previous(preview_data->current_page);
+ if(next)
+ preview_data->current_page = next;
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_go_next(GtkButton *button, gpointer data)
+{
+ GList *next;
+ PreviewData *preview_data = (PreviewData*) data;
+ next = g_list_next(preview_data->current_page);
+ if(next)
+ preview_data->current_page = next;
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_go_last(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ preview_data->current_page = g_list_last(preview_data->current_page);
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_btn_close(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData *)data;
+ if (preview_data->rendering)
+ return;
+ gtk_widget_destroy(preview_data->dialog);
+}
+
+static void cb_preview_zoom_100(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ if(preview_data->print_data->zoom != 1.) {
+ preview_data->print_data->zoom = 1.;
+ gtk_widget_queue_draw(preview_data->area);
+ printing_preview_update_zoom_sensitivity(preview_data);
+ }
+}
+
+static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ gdouble zoom_w;
+ gdouble zoom_h;
+
+ zoom_w = ((gdouble)preview_data->scrolled_window->allocation.width) /
+ ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
+ PREVIEW_SHADOW_OFFSET);
+ zoom_h = ((gdouble)preview_data->scrolled_window->allocation.height) /
+ ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
+ PREVIEW_SHADOW_OFFSET);
+
+ preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
+
+ if(preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
+ preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
+ else if(preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
+ preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
+
+ printing_preview_update_zoom_sensitivity(preview_data);
+ gtk_widget_queue_draw(preview_data->area);
+}
+
+static void cb_preview_zoom_in(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ gdouble new_zoom;
+ new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
+ if(new_zoom <= PREVIEW_ZOOM_MAX) {
+ preview_data->print_data->zoom = new_zoom;
+ printing_preview_update_zoom_sensitivity(preview_data);
+ gtk_widget_queue_draw(preview_data->area);
+ }
+}
+
+static void cb_preview_zoom_out(GtkButton *button, gpointer data)
+{
+ PreviewData *preview_data = (PreviewData*) data;
+ gdouble new_zoom;
+ new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
+ if(new_zoom >= PREVIEW_ZOOM_MIN) {
+ preview_data->print_data->zoom = new_zoom;
+ printing_preview_update_zoom_sensitivity(preview_data);
+ gtk_widget_queue_draw(preview_data->area);
+ }
+}
+
+static void cb_preview_request_page_setup(GtkPrintOperation *op,
+ GtkPrintContext *context,
+ gint page_nr,
+ GtkPageSetup *setup,gpointer data)
+{
+ GtkPaperSize *paper_size;
+ GtkPaperSize *old_size;
+ gdouble width;
+ gdouble height;
+ gdouble top_margin;
+ gdouble bottom_margin;
+ gdouble left_margin;
+ gdouble right_margin;
+
+ PreviewData *preview_data = (PreviewData*) data;
+
+ old_size = gtk_page_setup_get_paper_size(setup);
+ width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
+ height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
+
+ top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
+ bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
+ left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
+ right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
+
+ paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
+ width*preview_data->print_data->zoom,
+ height*preview_data->print_data->zoom,
+ GTK_UNIT_INCH);
+ gtk_page_setup_set_paper_size(setup, paper_size);
+ gtk_paper_size_free(paper_size);
+
+ gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
+ GTK_UNIT_INCH);
+ gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
+ GTK_UNIT_INCH);
+ gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
+ GTK_UNIT_INCH);
+ gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
+ GTK_UNIT_INCH);
}
static void cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
gpointer user_data)
{
double width, height;
- int num_lines, line;
+ int num_lines;
double page_height;
GList *page_breaks;
PrintData *print_data;
- PangoLayoutLine *layout_line;
PangoFontDescription *desc;
+ int start, ii;
+ PangoLayoutIter *iter;
+ double start_pos;
+ double line_height =0.;
+
+ print_data = (PrintData*) user_data;
debug_print("Preparing print job...\n");
- print_data = (PrintData*) user_data;
width = gtk_print_context_get_width(context);
height = gtk_print_context_get_height(context);
- print_data->layout = gtk_print_context_create_pango_layout(context);
+ if (print_data->layout == NULL)
+ print_data->layout = gtk_print_context_create_pango_layout(context);
if(prefs_common.use_different_print_font)
desc = pango_font_description_from_string(prefs_common.printfont);
pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
pango_layout_set_text(print_data->layout, print_data->text, -1);
- printing_layout_set_text_attributes(print_data);
+ printing_layout_set_text_attributes(print_data, context);
num_lines = pango_layout_get_line_count(print_data->layout);
page_breaks = NULL;
page_height = 0;
- for(line = 0; line < num_lines; line++) {
- PangoRectangle ink_rect, logical_rect;
- double line_height;
-
-#define PANGO_HAS_READONLY 0
-#if defined(PANGO_VERSION_CHECK)
-#if PANGO_VERSION_CHECK(1,16,0)
-#define PANGO_HAS_READONLY 1
-#endif
-#endif
+ start = 0;
+ ii = 0;
+ start_pos = 0.;
+ iter = pango_layout_get_iter(print_data->layout);
+ do {
+ PangoRectangle logical_rect;
+ PangoLayoutLine *line;
+ PangoAttrShape *attr = NULL;
+ int baseline;
-#if PANGO_HAS_READONLY
- layout_line = pango_layout_get_line_readonly(print_data->layout, line);
-#else
- layout_line = pango_layout_get_line(print_data->layout, line);
-#endif
- pango_layout_line_get_extents(layout_line, &ink_rect, &logical_rect);
+ if(ii >= start) {
+ line = pango_layout_iter_get_line(iter);
- line_height = ((double)logical_rect.height) / PANGO_SCALE;
+ pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
+ baseline = pango_layout_iter_get_baseline(iter);
- /* TODO: Check if there is a pixbuf in that line */
-
+ if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
+ line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
+ } else {
+ line_height = ((double)logical_rect.height) / PANGO_SCALE;
+ }
+ }
if((page_height + line_height) > height) {
- page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(line));
+ page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
page_height = 0;
}
page_height += line_height;
- }
+ ii++;
+ } while(ii < num_lines && pango_layout_iter_next_line(iter));
+ pango_layout_iter_free(iter);
page_breaks = g_list_reverse(page_breaks);
- gtk_print_operation_set_n_pages(op, g_list_length(page_breaks) + 1);
-
+ print_data->npages = g_list_length(page_breaks) + 1;
print_data->page_breaks = page_breaks;
+ gtk_print_operation_set_n_pages(op, print_data->npages);
+
debug_print("Starting print job...\n");
}
+static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
+{
+ cairo_surface_t *surface;
+ cairo_format_t format;
+ static const cairo_user_data_key_t key;
+ guchar *pixels = g_malloc(
+ 4*
+ gdk_pixbuf_get_width(pixbuf)*
+ gdk_pixbuf_get_height(pixbuf));
+ guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
+ gint width = gdk_pixbuf_get_width(pixbuf);
+ gint height = gdk_pixbuf_get_height(pixbuf);
+ gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
+ gint stride = gdk_pixbuf_get_rowstride (pixbuf);
+ gint j;
+
+ if (nchans == 3)
+ format = CAIRO_FORMAT_RGB24;
+ else
+ format = CAIRO_FORMAT_ARGB32;
+ surface = cairo_image_surface_create_for_data (pixels,
+ format, width, height, 4*width);
+ cairo_surface_set_user_data (surface, &key,
+ pixels, (cairo_destroy_func_t)g_free);
+
+ for (j = height; j; j--) {
+ guchar *p = src_pixels;
+ guchar *q = pixels;
+
+ if (nchans == 3) {
+ guchar *end = p + 3 * width;
+
+ while (p < end) {
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ q[0] = p[2];
+ q[1] = p[1];
+ q[2] = p[0];
+#else
+ q[1] = p[0];
+ q[2] = p[1];
+ q[3] = p[2];
+#endif
+ p += 3;
+ q += 4;
+ }
+ } else {
+ guchar *end = p + 4 * width;
+ guint t1,t2,t3;
+
+#define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
+
+ while (p < end) {
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ MULT(q[0], p[2], p[3], t1);
+ MULT(q[1], p[1], p[3], t2);
+ MULT(q[2], p[0], p[3], t3);
+ q[3] = p[3];
+#else
+ q[0] = p[3];
+ MULT(q[1], p[0], p[3], t1);
+ MULT(q[2], p[1], p[3], t2);
+ MULT(q[3], p[2], p[3], t3);
+#endif
+
+ p += 4;
+ q += 4;
+ }
+
+#undef MULT
+ }
+
+ src_pixels += stride;
+ pixels += 4 * width;
+ }
+
+ return surface;
+}
+
static void cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
int page_nr, gpointer user_data)
{
GList *pagebreak;
PangoLayoutIter *iter;
double start_pos;
-
+ gboolean notlast = TRUE;
+
print_data = (PrintData*) user_data;
- if (page_nr == 0)
+ if (page_nr == 0) {
start = 0;
- else {
+ } else {
pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
start = GPOINTER_TO_INT(pagebreak->data);
}
end = GPOINTER_TO_INT(pagebreak->data);
cr = gtk_print_context_get_cairo_context(context);
+ cairo_scale(cr, print_data->zoom, print_data->zoom);
cairo_set_source_rgb(cr, 0., 0., 0.);
ii = 0;
do {
PangoRectangle logical_rect;
PangoLayoutLine *line;
+ PangoAttrShape *attr = NULL;
int baseline;
if(ii >= start) {
cairo_move_to(cr,
((double)logical_rect.x) / PANGO_SCALE,
((double)baseline) / PANGO_SCALE - start_pos);
- pango_cairo_show_layout_line(cr, line);
+
+ if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
+ cairo_surface_t *surface;
+
+ surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
+ cairo_set_source_surface (cr, surface,
+ ((double)logical_rect.x) / PANGO_SCALE,
+ ((double)baseline) / PANGO_SCALE - start_pos);
+ cairo_paint (cr);
+ cairo_surface_destroy (surface);
+ } else {
+ pango_cairo_show_layout_line(cr, line);
+ }
}
ii++;
- } while(ii < end && pango_layout_iter_next_line(iter));
-
+ } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
pango_layout_iter_free(iter);
-
debug_print("Sent page %d to printer\n", page_nr+1);
}
-static void printing_layout_set_text_attributes(PrintData *print_data)
+static void printing_layout_set_text_attributes(PrintData *print_data, GtkPrintContext *context)
{
GtkTextIter iter;
PangoAttrList *attr_list;
GdkColor *color;
PangoUnderline underline;
gboolean strikethrough;
+ GdkPixbuf *image;
+
+ if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
+ PangoRectangle rect = {0, 0, 0, 0};
+ gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
+ gint h = gdk_pixbuf_get_height(image);
+ gint w = gdk_pixbuf_get_width(image);
+ gint a_h = gtk_print_context_get_height(context);
+ gint a_w = gtk_print_context_get_width(context);
+ gint r_h, r_w;
+ GdkPixbuf *scaled = NULL;
+ image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = r_w * PANGO_SCALE;
+ rect.height = r_h * PANGO_SCALE;
+
+ scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
+ attr = pango_attr_shape_new_with_data (&rect, &rect,
+ scaled, NULL, NULL);
+ attr->start_index = startpos;
+ attr->end_index = startpos+1;
+ pango_attr_list_insert(attr_list, attr);
+ g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
+ print_data->img_cnt++;
+ }
if(gtk_text_iter_ends_tag(&iter, NULL)) {
PangoAttrColor *attr_color;
open_attrs = g_slist_delete_link(open_attrs, attr_walk);
break;
}
+ if (color)
+ gdk_color_free(color);
}
}
if(!found)
open_attrs = g_slist_delete_link(open_attrs, attr_walk);
break;
}
+ if (color)
+ gdk_color_free(color);
}
}
if(!found)
} else {
gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
}
- text = gtk_text_iter_get_slice(&start, iter);
+ text = gtk_text_iter_get_text(&start, iter);
off_bytes = strlen(text);
g_free(text);
return off_bytes;
}
+static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
+{
+ if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
+ gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
+ else
+ gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
+
+ if((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
+ gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
+ else
+ gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);
+}
+
#endif /* GTK+ >= 2.10.0 */
projects / claws.git / blobdiff