zathura/callbacks.c
2012-03-27 11:19:39 +02:00

352 lines
9.3 KiB
C

/* See LICENSE file for license and copyright information */
#include <girara/statusbar.h>
#include <girara/session.h>
#include <girara/settings.h>
#include <girara/utils.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <string.h>
#include <glib/gi18n.h>
#include "callbacks.h"
#include "zathura.h"
#include "render.h"
#include "document.h"
#include "utils.h"
#include "shortcuts.h"
#include "page-widget.h"
#include "page.h"
gboolean
cb_destroy(GtkWidget* UNUSED(widget), zathura_t* zathura)
{
if (zathura != NULL && zathura->document != NULL) {
zathura_document_free(zathura->document);
zathura->document = NULL;
}
gtk_main_quit();
return TRUE;
}
void
cb_buffer_changed(girara_session_t* session)
{
g_return_if_fail(session != NULL);
g_return_if_fail(session->global.data != NULL);
zathura_t* zathura = session->global.data;
char* buffer = girara_buffer_get(session);
if (buffer != NULL) {
girara_statusbar_item_set_text(session, zathura->ui.statusbar.buffer, buffer);
free(buffer);
} else {
girara_statusbar_item_set_text(session, zathura->ui.statusbar.buffer, "");
}
}
void
cb_view_vadjustment_value_changed(GtkAdjustment* GIRARA_UNUSED(adjustment), gpointer data)
{
zathura_t* zathura = data;
if (zathura == NULL || zathura->document == NULL || zathura->document->pages == NULL
|| zathura->ui.page_widget == NULL) {
return;
}
GtkAdjustment* view_vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GtkAdjustment* view_hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GdkRectangle view_rect;
/* get current adjustment values */
view_rect.y = 0;
view_rect.height = gtk_adjustment_get_page_size(view_vadjustment);
view_rect.x = 0;
view_rect.width = gtk_adjustment_get_page_size(view_hadjustment);
int page_padding = 1;
girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
GdkRectangle center;
center.x = (view_rect.width + 1) / 2;
center.y = (view_rect.height + 1) / 2;
center.height = center.width = (2 * page_padding) + 1;
bool updated = false;
/* find page that fits */
for (unsigned int page_id = 0; page_id < zathura->document->number_of_pages; page_id++) {
zathura_page_t* page = zathura->document->pages[page_id];
GdkRectangle page_rect;
GtkWidget* page_widget = zathura_page_get_widget(page);
gtk_widget_translate_coordinates(page_widget,
zathura->ui.session->gtk.view, 0, 0, &page_rect.x, &page_rect.y);
page_rect.width = zathura_page_get_width(page) * zathura->document->scale;
page_rect.height = zathura_page_get_height(page) * zathura->document->scale;
if (gdk_rectangle_intersect(&view_rect, &page_rect, NULL) == TRUE) {
zathura_page_set_visibility(page, true);
if (zathura->global.update_page_number == true && updated == false
&& gdk_rectangle_intersect(&center, &page_rect, NULL) == TRUE) {
zathura->document->current_page_number = page_id;
updated = true;
}
} else {
zathura_page_set_visibility(page, false);
}
zathura_page_widget_update_view_time(ZATHURA_PAGE(page_widget));
}
statusbar_page_number_update(zathura);
}
void
cb_pages_per_row_value_changed(girara_session_t* session, const char* UNUSED(name), girara_setting_type_t UNUSED(type), void* value, void* UNUSED(data))
{
g_return_if_fail(value != NULL);
g_return_if_fail(session != NULL);
g_return_if_fail(session->global.data != NULL);
zathura_t* zathura = session->global.data;
int pages_per_row = *(int*) value;
if (pages_per_row < 1) {
pages_per_row = 1;
}
page_widget_set_mode(zathura, pages_per_row);
if (zathura->document != NULL) {
unsigned int current_page = zathura->document->current_page_number;
page_set_delayed(zathura, current_page);
}
}
void
cb_index_row_activated(GtkTreeView* tree_view, GtkTreePath* path,
GtkTreeViewColumn* UNUSED(column), void* data)
{
zathura_t* zathura = data;
if (tree_view == NULL || zathura == NULL || zathura->ui.session == NULL) {
return;
}
GtkTreeModel *model;
GtkTreeIter iter;
g_object_get(tree_view, "model", &model, NULL);
if(gtk_tree_model_get_iter(model, &iter, path)) {
zathura_index_element_t* index_element;
gtk_tree_model_get(model, &iter, 2, &index_element, -1);
if (index_element == NULL) {
return;
}
if (index_element->type == ZATHURA_LINK_TO_PAGE) {
sc_toggle_index(zathura->ui.session, NULL, NULL, 0);
page_set_delayed(zathura, index_element->target.page_number);
} else if (index_element->type == ZATHURA_LINK_EXTERNAL) {
if (girara_xdg_open(index_element->target.uri) == false) {
girara_notify(zathura->ui.session, GIRARA_ERROR, _("Failed to run xdg-open."));
}
}
}
g_object_unref(model);
}
bool
cb_sc_follow(GtkEntry* entry, girara_session_t* session)
{
g_return_val_if_fail(session != NULL, FALSE);
g_return_val_if_fail(session->global.data != NULL, FALSE);
zathura_t* zathura = session->global.data;
bool eval = true;
char* input = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
if (input == NULL || strlen(input) == 0) {
eval = false;
}
int index = 0;
if (eval == true) {
index = atoi(input);
if (index == 0 && g_strcmp0(input, "0") != 0) {
girara_notify(session, GIRARA_WARNING, _("Invalid input '%s' given."), input);
eval = false;
}
index = index - 1;
}
/* set pages to draw links */
bool invalid_index = true;
for (unsigned int page_id = 0; page_id < zathura->document->number_of_pages; page_id++) {
zathura_page_t* page = zathura->document->pages[page_id];
if (page == NULL || zathura_page_get_visibility(page) == false) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(page);
g_object_set(page_widget, "draw-links", FALSE, NULL);
if (eval == true) {
zathura_link_t* link = zathura_page_widget_link_get(ZATHURA_PAGE(page_widget), index);
if (link != NULL) {
switch (link->type) {
case ZATHURA_LINK_TO_PAGE:
page_set_delayed(zathura, link->target.page_number);
break;
case ZATHURA_LINK_EXTERNAL:
girara_xdg_open(link->target.uri);
break;
default:
break;
}
invalid_index = false;
}
}
}
if (eval == true && invalid_index == true) {
girara_notify(session, GIRARA_WARNING, _("Invalid index '%s' given."), input);
}
g_free(input);
return (eval == TRUE) ? TRUE : FALSE;
}
void
cb_file_monitor(GFileMonitor* monitor, GFile* file, GFile* UNUSED(other_file), GFileMonitorEvent event, girara_session_t* session)
{
g_return_if_fail(monitor != NULL);
g_return_if_fail(file != NULL);
g_return_if_fail(session != NULL);
switch (event) {
case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
case G_FILE_MONITOR_EVENT_CREATED:
gdk_threads_enter();
sc_reload(session, NULL, NULL, 0);
gdk_threads_leave();
break;
default:
return;
}
}
static gboolean
password_dialog(gpointer data)
{
zathura_password_dialog_info_t* dialog = data;
if (dialog != NULL) {
girara_dialog(
dialog->zathura->ui.session,
"Incorrect password. Enter password:",
true,
NULL,
(girara_callback_inputbar_activate_t) cb_password_dialog,
dialog
);
}
return FALSE;
}
bool
cb_password_dialog(GtkEntry* entry, zathura_password_dialog_info_t* dialog)
{
if (entry == NULL || dialog == NULL) {
goto error_ret;
}
if (dialog->path == NULL) {
free(dialog);
goto error_ret;
}
if (dialog->zathura == NULL) {
goto error_free;
}
char* input = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
/* no or empty password: ask again */
if (input == NULL || strlen(input) == 0) {
if (input != NULL) {
g_free(input);
}
gdk_threads_add_idle(password_dialog, dialog);
return false;
}
/* try to open document again */
if (document_open(dialog->zathura, dialog->path, input) == false) {
gdk_threads_add_idle(password_dialog, dialog);
} else {
g_free(dialog->path);
free(dialog);
}
g_free(input);
return true;
error_free:
g_free(dialog->path);
free(dialog);
error_ret:
return false;
}
bool
cb_view_resized(GtkWidget* UNUSED(widget), GtkAllocation* allocation, zathura_t* zathura)
{
if (zathura == NULL || zathura->document == NULL) {
return false;
}
static int height = -1;
static int width = -1;
/* adjust only if the allocation changed */
if (width != allocation->width || height != allocation->height) {
girara_argument_t argument = { zathura->document->adjust_mode, NULL };
sc_adjust_window(zathura->ui.session, &argument, NULL, 0);
width = allocation->width;
height = allocation->height;
}
return false;
}
void
cb_setting_recolor_change(girara_session_t* session, const char* name,
girara_setting_type_t UNUSED(type), void* value, void* UNUSED(data))
{
g_return_if_fail(value != NULL);
g_return_if_fail(session != NULL);
g_return_if_fail(session->global.data != NULL);
g_return_if_fail(name != NULL);
zathura_t* zathura = session->global.data;
bool bool_value = *((bool*) value);
if (zathura->global.recolor != bool_value) {
zathura->global.recolor = bool_value;
render_all(zathura);
}
}