gboolean computeSize(void);
static gboolean ps_document_set_page_size(PSDocument * gs, gint new_pagesize, gint pageid);
static void ps_document_document_iface_init (EvDocumentIface *iface);
+static gboolean ps_document_goto_page(PSDocument * gs, gint page);
static GObjectClass *parent_class = NULL;
{
gs->bpixmap = NULL;
- gs->current_page = -2;
+ gs->current_page = 0;
gs->disable_start = FALSE;
gs->interpreter_pid = -1;
gs->page_y_offset = 0;
/* Set user defined defaults */
- gs->override_orientation = gtk_gs_defaults_get_override_orientation();
- gs->fallback_orientation = gtk_gs_defaults_get_orientation();
- gs->zoom_factor = gtk_gs_defaults_get_zoom_factor();
- gs->default_size = gtk_gs_defaults_get_size();
- gs->antialiased = gtk_gs_defaults_get_antialiased();
- gs->override_size = gtk_gs_defaults_get_override_size();
- gs->respect_eof = gtk_gs_defaults_get_respect_eof();
- gs->zoom_mode = gtk_gs_defaults_get_zoom_mode();
+ gs->fallback_orientation = GTK_GS_ORIENTATION_PORTRAIT;
+ gs->zoom_factor = 1.0;
+ gs->default_size = 1;
+ gs->antialiased = TRUE;
+ gs->respect_eof = TRUE;
gs->gs_status = _("No document loaded.");
}
klass->page_atom = gdk_atom_intern("PAGE", FALSE);
klass->string_atom = gdk_atom_intern("STRING", FALSE);
- gtk_gs_defaults_load();
-
g_object_class_override_property (object_class, PROP_TITLE, "title");
}
g_free(gs->gs_filename_unc);
gs->gs_filename_unc = NULL;
}
- gs->current_page = -1;
+ gs->current_page = 0;
gs->loaded = FALSE;
gs->llx = 0;
gs->lly = 0;
set_up_page(gs);
}
+static gboolean
+ps_document_widget_event (GtkWidget *widget, GdkEvent *event, gpointer data)
+{
+ PSDocument *gs = (PSDocument *) data;
+
+ if(event->type != GDK_CLIENT_EVENT)
+ return FALSE;
+
+ gs->message_window = event->client.data.l[0];
+
+ if (event->client.message_type == gs_class->page_atom) {
+ LOG ("GS rendered the document");
+ gs->busy = FALSE;
+
+ if (gs->scaling) {
+ ev_document_scale_changed (EV_DOCUMENT (gs));
+ gs->scaling = FALSE;
+ } else {
+ ev_document_page_changed (EV_DOCUMENT (gs));
+ }
+ }
+
+ return TRUE;
+}
+
+static void
+ps_document_set_target (EvDocument *document,
+ GdkDrawable *target)
+{
+ PSDocument *gs = PS_DOCUMENT (document);
+ GtkWidget *widget;
+ gpointer data;
+
+ if (gs->pstarget) {
+ gdk_window_get_user_data (gs->pstarget, &data);
+ g_return_if_fail (GTK_IS_WIDGET (data));
+
+ widget = GTK_WIDGET (data);
+ g_signal_handlers_disconnect_by_func
+ (widget, ps_document_widget_event, document);
+ }
+
+ gs->pstarget = target;
+
+ if (gs->pstarget) {
+ gdk_window_get_user_data (gs->pstarget, &data);
+ g_return_if_fail (GTK_IS_WIDGET (data));
+
+ widget = GTK_WIDGET (data);
+ g_signal_connect (widget, "event",
+ G_CALLBACK (ps_document_widget_event),
+ document);
+ }
+
+ ps_document_goto_page (gs, gs->current_page);
+}
+
static void
ps_document_finalize (GObject * object)
{
ps_document_cleanup (gs);
stop_interpreter (gs);
+ ps_document_set_target (EV_DOCUMENT (object), NULL);
+
if(gs->input_buffer) {
g_free(gs->input_buffer);
gs->input_buffer = NULL;
gs->real_orientation = gs->doc->orientation;
}
- if(gs->override_orientation ||
- gs->real_orientation == GTK_GS_ORIENTATION_NONE)
+ if(gs->real_orientation == GTK_GS_ORIENTATION_NONE)
return gs->fallback_orientation;
else
return gs->real_orientation;
GdkGC *fill;
GdkColor white = { 0, 0xFFFF, 0xFFFF, 0xFFFF }; /* pixel, r, g, b */
GdkColormap *colormap;
-
- LOG ("Setup the page");
+ gboolean size_changed;
#ifdef HAVE_LOCALE_H
char *savelocale;
#endif
+ LOG ("Setup the page");
+
+ size_changed = compute_size (gs);
+
if (gs->pstarget == NULL)
return;
orientation = ps_document_get_orientation(gs);
- if(compute_size(gs)) {
+ if (size_changed || gs->bpixmap == NULL) {
gdk_flush();
/* clear new pixmap (set to white) */
int std_out[2]; /* pipe from interp stdout */
int std_err[2]; /* pipe from interp stderr */
- LOG ("Start the interpreter");
-
#define NUM_ARGS 100
#define NUM_GS_ARGS (NUM_ARGS - 20)
#define NUM_ALPHA_ARGS 10
char **gs_args, **alpha_args = NULL;
int argc = 0, i;
+ LOG ("Start the interpreter");
+
if(!gs->gs_filename)
return 0;
return filename_unc;
}
-/*
- * Check if gs->gs_filename or gs->gs_filename_unc is a pdf file and scan
- * pdf file if necessary.
- * Set gs->filename_dsc to the name of the dsc file or NULL.
- * Error reporting via signal 'interpreter_message'.
- */
-static gchar *
-check_pdf(PSDocument * gs)
-{
- FILE *file;
- gchar buf[1024], *filename;
- int fd;
-
- /* use uncompressed file as input if necessary */
- filename = (gs->gs_filename_unc ? gs->gs_filename_unc : gs->gs_filename);
-
- if((file = fopen(filename, "r"))
- && (fread(buf, sizeof(char), 5, file) == 5)
- && (strncmp(buf, "%PDF-", 5) == 0)) {
- /* we found a PDF file */
- gchar *fname, *filename_dsc, *filename_err, *cmd, *cmdline;
- filename_dsc = g_strconcat(g_get_tmp_dir(), "/ggvXXXXXX", NULL);
- if((fd = mkstemp(filename_dsc)) < 0) {
- return NULL;
- }
- close(fd);
- filename_err = g_strconcat(g_get_tmp_dir(), "/ggvXXXXXX", NULL);
- if((fd = mkstemp(filename_err)) < 0) {
- g_free(filename_dsc);
- return NULL;
- }
- close(fd);
- fname = g_shell_quote(filename);
- cmd = g_strdup_printf(gtk_gs_defaults_get_dsc_cmd(), filename_dsc, fname);
- g_free(fname);
- /* this command (sometimes?) prints error messages to stdout! */
- cmdline = g_strdup_printf("%s >%s 2>&1", cmd, filename_err);
- g_free(cmd);
-
- if((system(cmdline) == 0) && file_readable(filename_dsc)) {
-
- /* success */
- filename = gs->gs_filename_dsc = filename_dsc;
-
- if(file_length(filename_err) > 0) {
- gchar *err_msg = " ";
- GtkWidget *dialog;
- FILE *err;
- GdkColor color;
-
- if((err = fopen(filename_err, "r"))) {
-
- /* print the content of the file to a message box */
- while(fgets(buf, 1024, err))
- err_msg = g_strconcat(err_msg, buf, NULL);
-
- /* FIXME The dialog is not yet set to modal, difficult to
- * get the parent of the dialog box here
- */
-
- dialog = gtk_message_dialog_new(NULL,
- GTK_DIALOG_MODAL,
- GTK_MESSAGE_WARNING,
- GTK_BUTTONS_OK,
- ("There was an error while scaning the file: %s \n%s"),
- gs->gs_filename, err_msg);
-
- gdk_color_parse("white", &color);
- gtk_widget_modify_bg(GTK_WIDGET(dialog), GTK_STATE_NORMAL, &color);
-
- g_signal_connect(G_OBJECT(dialog), "response",
- G_CALLBACK(gtk_widget_destroy), NULL);
-
- gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
- gtk_widget_show(dialog);
- g_free(err_msg);
- }
- }
-
- }
- else {
- /* report error */
- g_snprintf(buf, 1024,
- _("Error while converting pdf file %s:\n"), filename);
- ps_document_emit_error_msg(gs, buf);
-
- if(file_length(filename_err) > 0) {
- FILE *err;
- if((err = fopen(filename_err, "r"))) {
- /* print file to message window */
- while(fgets(buf, 1024, err))
- ps_document_emit_error_msg(gs, buf);
- }
- }
- unlink(filename_dsc);
- g_free(filename_dsc);
- filename = NULL;
- }
- unlink(filename_err);
- g_free(filename_err);
- g_free(cmdline);
- }
- if(NULL != file)
- fclose(file);
- return filename;
-}
-
#ifdef BROKEN_XINERAMA_PATCH_THAT_SHOULD_NOT_BE_USED
/* never mind this patch: a properly working X server should take care of
calculating the proper values. */
/* default values: no dsc information available */
gs->structured_doc = FALSE;
gs->send_filename_to_gs = TRUE;
- gs->current_page = -2;
+ gs->current_page = 0;
gs->loaded = FALSE;
if(*fname == '/') {
/* an absolute path */
}
else {
filename = check_filecompressed(gs);
- if(filename)
- filename = check_pdf(gs);
}
if(!filename || (gs->gs_psfile = fopen(filename, "r")) == NULL) {
}
/* We have to set up the orientation of the document */
-
-
- /* orientation can only be portrait, and landscape or none.
- This is the document default. A document can have
- pages in landscape and some in portrait */
- if(gs->override_orientation) {
- /* If the orientation should be override...
- then gs->orientation has already the correct
- value (it was set when the widget was created */
- /* So do nothing */
-
- }
- else {
- /* Otherwise, set the proper orientation for the doc */
- gs->real_orientation = gs->doc->orientation;
- }
+ gs->real_orientation = gs->doc->orientation;
}
ps_document_set_page_size(gs, -1, gs->current_page);
gs->loaded = TRUE;
gs->current_page = page;
if(gs->doc->pages[page].orientation != NONE &&
- !gs->override_orientation &&
gs->doc->pages[page].orientation != gs->real_orientation) {
gs->real_orientation = gs->doc->pages[page].orientation;
gs->changed = TRUE;
if(new_pagesize == -1) {
if(gs->default_size > 0)
new_pagesize = gs->default_size;
- if(!gs->override_size && gs->doc) {
+ if(gs->doc) {
/* If we have a document:
We use -- the page size (if specified)
or the doc. size (if specified)
}
/* Compute bounding box */
- if(gs->doc && ((gs->doc->epsf && !gs->override_size) || new_pagesize == -1)) { /* epsf or bbox */
+ if(gs->doc && (gs->doc->epsf || new_pagesize == -1)) { /* epsf or bbox */
if((pageid >= 0) &&
(gs->doc->pages) &&
(gs->doc->pages[pageid].boundingbox[URX] >
if(new_pagesize < 0)
new_pagesize = gs->default_size;
new_llx = new_lly = 0;
- if(gs->doc && !gs->override_size && gs->doc->size &&
+ if(gs->doc && gs->doc->size &&
(new_pagesize < gs->doc->numsizes)) {
new_urx = gs->doc->size[new_pagesize].width;
new_ury = gs->doc->size[new_pagesize].height;
return FALSE;
}
-static gfloat
-ps_document_zoom_to_fit(PSDocument * gs, gboolean fit_width)
-{
- gint new_y;
- gfloat new_zoom;
- guint avail_w, avail_h;
-
- g_return_val_if_fail(gs != NULL, 0.0);
- g_return_val_if_fail(GTK_IS_GS(gs), 0.0);
-
- avail_w = (gs->avail_w > 0) ? gs->avail_w : gs->width;
- avail_h = (gs->avail_h > 0) ? gs->avail_h : gs->height;
-
- new_zoom = ((gfloat) avail_w) / ((gfloat) gs->width) * gs->zoom_factor;
- if(!fit_width) {
- new_y = new_zoom * ((gfloat) gs->height) / gs->zoom_factor;
- if(new_y > avail_h)
- new_zoom = ((gfloat) avail_h) / ((gfloat) gs->height) * gs->zoom_factor;
- }
-
- return new_zoom;
-}
-
static void
-ps_document_set_zoom(PSDocument * gs, gfloat zoom)
+ps_document_set_zoom (PSDocument * gs, gfloat zoom)
{
- g_return_if_fail(gs != NULL);
- g_return_if_fail(GTK_IS_GS(gs));
+ g_return_if_fail (gs != NULL);
- switch (gs->zoom_mode) {
- case GTK_GS_ZOOM_FIT_WIDTH:
- zoom = ps_document_zoom_to_fit(gs, TRUE);
- break;
- case GTK_GS_ZOOM_FIT_PAGE:
- zoom = ps_document_zoom_to_fit(gs, FALSE);
- break;
- case GTK_GS_ZOOM_ABSOLUTE:
- default:
- break;
- }
-
- if(fabs(gs->zoom_factor - zoom) > 0.001) {
- gs->zoom_factor = zoom;
- set_up_page(gs);
- gs->changed = TRUE;
- }
+ gs->zoom_factor = zoom;
- ps_document_goto_page(gs, gs->current_page);
+ if (gs->pstarget != NULL) {
+ set_up_page(gs);
+ gs->changed = TRUE;
+ gs->scaling = TRUE;
+ ps_document_goto_page (gs, gs->current_page);
+ }
}
static gboolean
return ps->current_page + 1;
}
-static gboolean
-ps_document_widget_event (GtkWidget *widget, GdkEvent *event, gpointer data)
-{
- PSDocument *gs = (PSDocument *) data;
-
- if(event->type != GDK_CLIENT_EVENT)
- return FALSE;
-
- gs->message_window = event->client.data.l[0];
-
- if (event->client.message_type == gs_class->page_atom) {
- LOG ("GS rendered the document");
- gs->busy = FALSE;
- ev_document_changed (EV_DOCUMENT (gs));
- }
-
- return TRUE;
-}
-
-static void
-ps_document_set_target (EvDocument *document,
- GdkDrawable *target)
-{
- PSDocument *gs = PS_DOCUMENT (document);
- GtkWidget *widget;
- gpointer data;
-
- gs->pstarget = target;
-
- if (gs->pstarget) {
- gdk_window_get_user_data (gs->pstarget, &data);
- g_return_if_fail (GTK_IS_WIDGET (data));
-
- widget = GTK_WIDGET (data);
- g_signal_connect (widget, "event",
- G_CALLBACK (ps_document_widget_event),
- document);
- }
-
- ps_document_goto_page (gs, gs->current_page);
-}
-
static void
ps_document_set_scale (EvDocument *document,
double scale)
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff