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diff --git a/src/tpdfview.c b/src/tpdfview.c
index 79532672c13154c95ee124869e017bbe64d68fa1..4d0cec8d09f56ded20459f926c7fd58821725195 100644 (file)
--- a/src/tpdfview.c
+++ b/src/tpdfview.c
#include "tpdfv.h"
#include "tpdfv_features.h"
+#include "gtk-tpdfv.h"
+#include "tpdfv-ctl.h"
+
#if HAVE_LIBGEN_H
# include <libgen.h>
#else /* HAVE_LIBGEN_H */
#include <assert.h>
-#include <errno.h>
-
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <cairo.h>
-
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
-#include <poppler.h>
-
-typedef struct {
- char *filename;
-
- PopplerDocument *doc;
- PopplerPage *current_page;
-
- int current_page_no;
- int total_pages;
-
- double zoom_factor;
-
- double delta_x;
- double delta_y;
-} tpdfv_t;
-
-static tpdfv_t *
-tpdfv_new(const char *filename)
-{
- GError *err = NULL;
- tpdfv_t *pdf;
-
- /* XXX: error reporting mechanism */
-
- pdf = (tpdfv_t *)malloc(sizeof(*pdf));
- if (! pdf) {
- fprintf(stderr, "Failed to allocate PDF object: %s.\n",
- strerror(errno));
- return NULL;
- }
-
- if (strstr(filename, "://"))
- pdf->filename = strdup(filename);
- else {
- size_t len = strlen("file://") + strlen(filename);
- pdf->filename = (char *)malloc(len + 1);
- if (pdf->filename) {
- *pdf->filename = '\0';
- strncat(pdf->filename, "file://", len);
- strncat(pdf->filename, filename, len - strlen("file://"));
- }
- }
-
- if (! pdf->filename) {
- fprintf(stderr, "Failed to allocate string: %s.\n",
- strerror(errno));
- return NULL;
- }
-
- pdf->doc = poppler_document_new_from_file(pdf->filename,
- /* password = */ NULL, &err);
- if (! pdf->doc) {
- fprintf(stderr, "Failed to open PDF: %s.\n", err->message);
- return NULL;
- }
-
- pdf->current_page_no = 0;
- pdf->current_page = poppler_document_get_page(pdf->doc,
- pdf->current_page_no);
- if (! pdf->current_page) {
- fprintf(stderr, "Failed to open first page of the document.\n");
- return NULL;
- }
- pdf->total_pages = poppler_document_get_n_pages(pdf->doc);
-
- pdf->zoom_factor = 1.0;
- pdf->delta_x = pdf->delta_y = 0.0;
- return pdf;
-} /* tpdfv_new */
+/*
+ * Global variables.
+ */
+static gtk_tpdfv_screens_t *screens = NULL;
static void
exit_usage(char *name, int status)
} /* exit_version */
static void
-win_redraw(GtkWidget *widget)
+toggle_fullscreen(GtkWindow *win)
{
- GdkRegion *region;
+ GdkWindowState state;
- region = gdk_drawable_get_clip_region(widget->window);
- gdk_window_invalidate_region(widget->window, region, TRUE);
- gdk_window_process_updates(widget->window, TRUE);
+ if (! gtk_widget_get_realized(GTK_WIDGET(win)))
+ return;
- gdk_region_destroy(region);
-} /* win_redraw */
+ state = gdk_window_get_state(GTK_WIDGET(win)->window);
+
+ if (state & GDK_WINDOW_STATE_FULLSCREEN)
+ gtk_window_unfullscreen(win);
+ else
+ gtk_window_fullscreen(win);
+} /* toggle_fullscreen */
static void
on_destroy(GtkWidget __attribute__((unused)) *widget,
} /* on_destroy */
static gboolean
-on_expose(GtkWidget *widget, GdkEventExpose __attribute__((unused)) *event,
- gpointer data)
-{
- cairo_t *cr;
-
- tpdfv_t *pdf = (tpdfv_t *)data;
- assert(data);
-
- cr = gdk_cairo_create(widget->window);
-
- /* zoom */
- cairo_scale(cr, pdf->zoom_factor, pdf->zoom_factor);
- cairo_translate(cr, pdf->delta_x, pdf->delta_y);
-
- poppler_page_render(pdf->current_page, cr);
- cairo_destroy(cr);
- return FALSE;
-} /* on_expose */
-
-static gboolean
-key_press(GtkWidget __attribute__((unused)) *widget,
- GdkEventKey *event, gpointer data)
+key_press(GtkWidget *window, GdkEventKey *event, gpointer data)
{
- tpdfv_t *pdf = (tpdfv_t *)data;
-
- int old_page_no;
- _Bool do_redraw = 0;
-
- assert(data);
+ GObject *obj;
- old_page_no = pdf->current_page_no;
+ obj = G_OBJECT(data);
+ assert(obj);
switch (event->keyval) {
case GDK_q:
gtk_main_quit();
break;
+ case GDK_r:
+ tpdfv_ctl_reload(obj);
+ break;
+
+ case GDK_F:
+ toggle_fullscreen(GTK_WINDOW(window));
+ break;
+
/* navigation */
case GDK_Page_Up:
- if (pdf->current_page_no) {
- --pdf->current_page_no;
- }
+ tpdfv_ctl_page_up(obj);
break;
case GDK_Page_Down:
/* fall through */
case GDK_space:
- if (pdf->current_page_no < pdf->total_pages - 1) {
- ++pdf->current_page_no;
- }
+ tpdfv_ctl_page_down(obj);
break;
case GDK_Home:
- pdf->current_page_no = 0;
+ tpdfv_ctl_first_page(obj);
break;
case GDK_End:
- pdf->current_page_no = pdf->total_pages - 1;
+ tpdfv_ctl_last_page(obj);
break;
/* zoom */
case GDK_plus:
- pdf->zoom_factor *= 1.2;
- do_redraw = 1;
+ tpdfv_ctl_zoom_in(obj);
break;
case GDK_minus:
- if (pdf->zoom_factor > DBL_EPSILON * 2.0) {
- pdf->zoom_factor *= 1.0 / 1.2;
- do_redraw = 1;
- }
+ tpdfv_ctl_zoom_out(obj);
break;
case GDK_1:
- pdf->zoom_factor = 1.0;
- do_redraw = 1;
+ tpdfv_ctl_zoom_1(obj);
+ break;
+ case GDK_w:
+ tpdfv_ctl_zoom_width(obj);
+ break;
+ case GDK_h:
+ tpdfv_ctl_zoom_height(obj);
+ break;
+ case GDK_z:
+ tpdfv_ctl_zoom_fit(obj);
break;
/* scrolling */
case GDK_Up:
- pdf->delta_y += 10.0;
- do_redraw = 1;
+ tpdfv_ctl_scroll_up(obj);
break;
case GDK_Down:
- pdf->delta_y -= 10.0;
- do_redraw = 1;
+ tpdfv_ctl_scroll_down(obj);
break;
case GDK_Left:
- pdf->delta_x += 10.0;
- do_redraw = 1;
+ tpdfv_ctl_scroll_left(obj);
break;
case GDK_Right:
- pdf->delta_x -= 10.0;
- do_redraw = 1;
+ tpdfv_ctl_scroll_right(obj);
break;
- }
- if (old_page_no != pdf->current_page_no) {
- pdf->current_page = poppler_document_get_page(pdf->doc,
- pdf->current_page_no);
- if (! pdf->current_page)
- fprintf(stderr, "Failed to open page %i of the document.\n",
- pdf->current_page_no + 1);
- else
- do_redraw = 1;
- }
+ /* screen management */
+ case GDK_M:
+ {
+ gint n_screens = gtk_tpdfv_screens_number(screens);
+ gint screen = gtk_tpdfv_screens_window_get(screens,
+ GTK_WINDOW(window));
- if (do_redraw)
- win_redraw(widget);
+ gtk_tpdfv_screens_window_set(screens,
+ GTK_WINDOW(window), (screen + 1) % n_screens);
+ }
+ break;
+ }
return FALSE;
} /* key_press */
int
main(int argc, char **argv)
{
- GtkWidget *win = NULL;
- tpdfv_t *pdf = NULL;
+ GtkWidget *win;
+ GtkWidget *tpdfv;
+
+ GObject *ctl;
+
+ char win_title[1024];
+
+ _Bool presentation_mode = 0;
+
+ GdkColor bg_color;
+
+ char *filename;
gtk_init(&argc, &argv);
while (42) {
- int opt = getopt(argc, argv, "hV");
+ int opt = getopt(argc, argv, "PhV");
if (-1 == opt)
break;
switch (opt) {
+ case 'P':
+ presentation_mode = 1;
+ break;
+
case 'h':
exit_usage(argv[0], 0);
break;
exit_usage(argv[0], 1);
}
- pdf = tpdfv_new(/* filename = */ argv[optind]);
- if (! pdf)
+ filename = argv[optind];
+
+ tpdfv = gtk_tpdfv_new(filename);
+ if (! tpdfv)
return 1;
win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ if (! win)
+ return 1;
+
+ screens = gtk_tpdfv_screens_init(/* display = */ NULL);
+ if (! screens)
+ return 1;
+
+ snprintf(win_title, sizeof(win_title), "tpdfview: %s",
+ basename(filename));
+ gtk_window_set_title(GTK_WINDOW(win), win_title);
+
+ gtk_container_add(GTK_CONTAINER(win), tpdfv);
+
+ ctl = tpdfv_ctl_new(GTK_TPDFV(tpdfv));
+ if (! ctl)
+ return 1;
+
+ /* TODO: use resource file */
+ gdk_color_parse("#000000", &bg_color);
+
+ if (presentation_mode) {
+ GtkWidget *pres_win;
+ GtkWidget *paned;
+ GtkWidget *tpdfv1, *tpdfv2;
+
+ tpdfv1 = gtk_tpdfv_new(filename);
+ if (! tpdfv1)
+ return 1;
+
+ if (! tpdfv_ctl_add_slave(ctl, GTK_TPDFV(tpdfv1),
+ /* factor = */ 1, /* offset = */ 0))
+ return 1;
+
+ tpdfv2 = gtk_tpdfv_new(filename);
+ if (! tpdfv2)
+ return 1;
+
+ if (! tpdfv_ctl_add_slave(ctl, GTK_TPDFV(tpdfv2),
+ /* factor = */ 1, /* offset = */ 1))
+ return 1;
+
+ paned = gtk_hpaned_new();
+ if (! paned)
+ return 1;
+
+ gtk_paned_pack1(GTK_PANED(paned), tpdfv1, TRUE, TRUE);
+ gtk_paned_pack2(GTK_PANED(paned), tpdfv2, TRUE, TRUE);
+
+ gtk_tpdfv_zoom_fit(tpdfv1);
+ gtk_tpdfv_zoom_fit(tpdfv2);
+
+ pres_win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ if (! pres_win)
+ return 1;
+
+ gtk_window_set_title(GTK_WINDOW(pres_win), win_title);
+
+ gtk_container_add(GTK_CONTAINER(pres_win), paned);
+
+ gtk_widget_modify_bg(tpdfv1, GTK_STATE_NORMAL, &bg_color);
+ gtk_widget_modify_bg(tpdfv2, GTK_STATE_NORMAL, &bg_color);
+
+ g_signal_connect(G_OBJECT(pres_win), "destroy",
+ G_CALLBACK(on_destroy), NULL);
+ g_signal_connect(G_OBJECT(pres_win), "key-press-event",
+ G_CALLBACK(key_press), ctl);
+
+ gtk_widget_modify_bg(pres_win, GTK_STATE_NORMAL, &bg_color);
+ gtk_widget_modify_bg(tpdfv1, GTK_STATE_NORMAL, &bg_color);
+ gtk_widget_modify_bg(tpdfv2, GTK_STATE_NORMAL, &bg_color);
+
+ gtk_widget_show_all(pres_win);
+ }
+
g_signal_connect(G_OBJECT(win), "destroy",
G_CALLBACK(on_destroy), NULL);
- g_signal_connect(G_OBJECT(win), "expose-event",
- G_CALLBACK(on_expose), pdf);
g_signal_connect(G_OBJECT(win), "key-press-event",
- G_CALLBACK(key_press), pdf);
- gtk_widget_set_app_paintable(win, TRUE);
+ G_CALLBACK(key_press), ctl);
+
+ gtk_widget_modify_bg(tpdfv, GTK_STATE_NORMAL, &bg_color);
+
gtk_widget_show_all(win);
gtk_main();
+
+ gtk_tpdfv_screens_destroy(screens);
return 0;
} /* main */