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zathura/shortcuts.c
Abdó Roig-Maranges eb67d97180 Implemented jumplist bound to ^o ^i 
zathura records jumps through searches, index, links, etc. and enables to go
back and forth via ^o ^i.

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
2012-09-02 00:31:47 +02:00

1092 lines
33 KiB
C
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/* See LICENSE file for license and copyright information */
#include <girara/session.h>
#include <girara/settings.h>
#include <girara/datastructures.h>
#include <girara/shortcuts.h>
#include <girara/utils.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include "callbacks.h"
#include "shortcuts.h"
#include "document.h"
#include "zathura.h"
#include "render.h"
#include "utils.h"
#include "page.h"
#include "print.h"
#include "page-widget.h"
bool
sc_abort(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
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 clear_search = true;
girara_setting_get(session, "abort-clear-search", &clear_search);
if (zathura->document != NULL) {
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; ++page_id) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL) {
continue;
}
g_object_set(zathura_page_get_widget(zathura, page), "draw-links", FALSE, NULL);
if (clear_search) {
g_object_set(zathura_page_get_widget(zathura, page), "search-results", NULL, NULL);
}
}
}
girara_mode_set(session, session->modes.normal);
girara_sc_abort(session, NULL, NULL, 0);
return false;
}
bool
sc_adjust_window(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
unsigned int pages_per_row = 1;
girara_setting_get(session, "pages-per-row", &pages_per_row);
unsigned int first_page_column = 1;
girara_setting_get(session, "first-page-column", &first_page_column);
if (zathura->ui.page_widget == NULL || zathura->document == NULL) {
goto error_ret;
}
float old_zoom = zathura_document_get_scale(zathura->document);
zathura_document_set_adjust_mode(zathura->document, argument->n);
if (argument->n == ZATHURA_ADJUST_NONE) {
/* there is nothing todo */
goto error_ret;
}
/* get window size */
GtkAllocation allocation;
gtk_widget_get_allocation(session->gtk.view, &allocation);
double width = allocation.width;
double height = allocation.height;
/* scrollbar spacing */
gint spacing;
gtk_widget_style_get(session->gtk.view, "scrollbar_spacing", &spacing, NULL);
width -= spacing;
/* correct view size */
if (gtk_widget_get_visible(GTK_WIDGET(session->gtk.inputbar)) == true) {
gtk_widget_get_allocation(session->gtk.inputbar, &allocation);
width += allocation.width;
height += allocation.height;
}
/* calculate total width and max-height */
double total_width = 0;
double total_height = 0;
double max_height = 0;
double max_width = 0;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < pages_per_row; page_id++) {
if (page_id == number_of_pages) {
break;
}
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL) {
goto error_ret;
}
unsigned int page_height = zathura_page_get_height(page);
unsigned int page_width = zathura_page_get_width(page);
if (page_height > max_height) {
max_height = page_height;
}
if (page_width > max_width) {
max_width = page_width;
}
total_width += page_width;
total_height += page_height;
}
unsigned int rotation = zathura_document_get_rotation(zathura->document);
double page_ratio = max_height / total_width;
double window_ratio = height / width;
if (rotation == 90 || rotation == 270) {
page_ratio = max_width / total_height;
}
switch (argument->n) {
case ZATHURA_ADJUST_WIDTH:
if (rotation == 0 || rotation == 180) {
zathura_document_set_scale(zathura->document, width / total_width);
} else {
zathura_document_set_scale(zathura->document, width / total_height);
}
break;
case ZATHURA_ADJUST_BESTFIT:
if (rotation == 0 || rotation == 180) {
if (page_ratio < window_ratio) {
zathura_document_set_scale(zathura->document, width / total_width);
} else {
zathura_document_set_scale(zathura->document, height / max_height);
}
} else {
if (page_ratio < window_ratio) {
zathura_document_set_scale(zathura->document, width / total_height);
} else {
zathura_document_set_scale(zathura->document, height / max_width);
}
}
break;
default:
goto error_ret;
}
/* keep position */
readjust_view_after_zooming(zathura, old_zoom, false);
/* re-render all pages */
render_all(zathura);
error_ret:
return false;
}
bool
sc_change_mode(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
girara_mode_set(session, argument->n);
return false;
}
bool
sc_focus_inputbar(girara_session_t* session, girara_argument_t* argument, girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->gtk.inputbar_entry != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
if (gtk_widget_get_visible(GTK_WIDGET(session->gtk.inputbar)) == false) {
gtk_widget_show(GTK_WIDGET(session->gtk.inputbar));
}
if (gtk_widget_get_visible(GTK_WIDGET(session->gtk.notification_area)) == true) {
gtk_widget_hide(GTK_WIDGET(session->gtk.notification_area));
}
gtk_widget_grab_focus(GTK_WIDGET(session->gtk.inputbar_entry));
if (argument->data != NULL) {
gtk_entry_set_text(session->gtk.inputbar_entry, (char*) argument->data);
/* append filepath */
if (argument->n == APPEND_FILEPATH && zathura->document != NULL) {
const char* file_path = zathura_document_get_path(zathura->document);
if (file_path == NULL) {
return false;
}
char* path = g_path_get_dirname(file_path);
char* escaped = girara_escape_string(path);
char* tmp = g_strdup_printf("%s%s/", (char*) argument->data, (g_strcmp0(path, "/") == 0) ? "" : escaped);
g_free(path);
g_free(escaped);
gtk_entry_set_text(session->gtk.inputbar_entry, tmp);
g_free(tmp);
}
/* we save the X clipboard that will be clear by "grab_focus" */
gchar* x_clipboard_text = gtk_clipboard_wait_for_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY));
gtk_editable_set_position(GTK_EDITABLE(session->gtk.inputbar_entry), -1);
if (x_clipboard_text != NULL) {
/* we reset the X clipboard with saved text */
gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), x_clipboard_text, -1);
g_free(x_clipboard_text);
}
}
return true;
}
bool
sc_follow(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL || zathura->ui.session == NULL) {
return false;
}
/* set pages to draw links */
bool show_links = false;
unsigned int page_offset = 0;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
g_object_set(page_widget, "search-results", NULL, NULL);
if (zathura_page_get_visibility(page) == true) {
g_object_set(page_widget, "draw-links", TRUE, NULL);
int number_of_links = 0;
g_object_get(page_widget, "number-of-links", &number_of_links, NULL);
if (number_of_links != 0) {
show_links = true;
}
g_object_set(page_widget, "offset-links", page_offset, NULL);
page_offset += number_of_links;
} else {
g_object_set(page_widget, "draw-links", FALSE, NULL);
}
}
/* ask for input */
if (show_links == true) {
girara_dialog(zathura->ui.session, "Follow link:", FALSE, NULL, (girara_callback_inputbar_activate_t) cb_sc_follow, zathura->ui.session);
}
return false;
}
bool
sc_goto(girara_session_t* session, girara_argument_t* argument, girara_event_t* UNUSED(event), unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
zathura_jumplist_save(zathura);
if (t != 0) {
/* add offset */
unsigned int page_offset = zathura_document_get_page_offset(zathura->document);
if (page_offset > 0) {
t += page_offset;
}
page_set(zathura, t-1);
} else if (argument->n == TOP) {
page_set(zathura, 0);
} else if (argument->n == BOTTOM) {
page_set(zathura, zathura_document_get_number_of_pages(zathura->document) - 1);
}
zathura_jumplist_add(zathura);
return false;
}
bool
sc_mouse_scroll(girara_session_t* session, girara_argument_t* argument, girara_event_t* event, unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(event != NULL, false);
if (zathura->document == NULL) {
return false;
}
static int x = 0;
static int y = 0;
GtkAdjustment* x_adj = NULL;
GtkAdjustment* y_adj = NULL;
switch (event->type) {
/* scroll */
case GIRARA_EVENT_SCROLL_UP:
case GIRARA_EVENT_SCROLL_DOWN:
case GIRARA_EVENT_SCROLL_LEFT:
case GIRARA_EVENT_SCROLL_RIGHT:
return sc_scroll(session, argument, NULL, t);
/* drag */
case GIRARA_EVENT_BUTTON_PRESS:
x = event->x;
y = event->y;
break;
case GIRARA_EVENT_BUTTON_RELEASE:
x = 0;
y = 0;
break;
case GIRARA_EVENT_MOTION_NOTIFY:
x_adj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
y_adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
if (x_adj == NULL || y_adj == NULL) {
return false;
}
set_adjustment(x_adj, gtk_adjustment_get_value(x_adj) - (event->x - x));
set_adjustment(y_adj, gtk_adjustment_get_value(y_adj) - (event->y - y));
break;
/* unhandled events */
default:
break;
}
return false;
}
bool
sc_mouse_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t* event, unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(event != NULL, false);
if (zathura->document == NULL) {
return false;
}
/* scroll event */
switch (event->type) {
case GIRARA_EVENT_SCROLL_UP:
argument->n = ZOOM_IN;
break;
case GIRARA_EVENT_SCROLL_DOWN:
argument->n = ZOOM_OUT;
break;
default:
return false;
}
return sc_zoom(session, argument, NULL, t);
}
bool
sc_navigate(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
int new_page = zathura_document_get_current_page_number(zathura->document);
bool scroll_wrap = false;
girara_setting_get(session, "scroll-wrap", &scroll_wrap);
bool columns_per_row_offset = false;
girara_setting_get(session, "advance-pages-per-row", &columns_per_row_offset);
int offset = 1;
if (columns_per_row_offset == true) {
girara_setting_get(session, "pages-per-row", &offset);
}
t = (t == 0) ? (unsigned int) offset : t;
if (argument->n == NEXT) {
if (scroll_wrap == true) {
new_page = new_page + t;
} else {
new_page = (new_page + t) % number_of_pages;
}
} else if (argument->n == PREVIOUS) {
if (scroll_wrap == true) {
new_page = new_page - t;
} else {
new_page = (new_page + number_of_pages - t) % number_of_pages;
}
}
if (scroll_wrap == true && (new_page < 0 || new_page >= number_of_pages)) {
return false;
}
page_set(zathura, new_page);
return false;
}
bool
sc_print(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL) {
girara_notify(session, GIRARA_ERROR, _("No document opened."));
return false;
}
print(zathura);
return true;
}
bool
sc_recolor(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
bool value = false;
girara_setting_get(session, "recolor", &value);
value = !value;
girara_setting_set(session, "recolor", &value);
return false;
}
bool
sc_reload(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->file_monitor.file_path == NULL) {
return false;
}
/* close current document */
document_close(zathura, true);
/* reopen document */
document_open(zathura, zathura->file_monitor.file_path, zathura->file_monitor.password);
return false;
}
bool
sc_rotate(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(zathura->document != NULL, false);
unsigned int page_number = zathura_document_get_current_page_number(zathura->document);
int angle = 90;
if (argument != NULL && argument->n == ROTATE_CCW) {
angle = 270;
}
/* update rotate value */
t = (t == 0) ? 1 : t;
unsigned int rotation = zathura_document_get_rotation(zathura->document);
zathura_document_set_rotation(zathura->document, (rotation + angle * t) % 360);
/* update scale */
girara_argument_t new_argument = { zathura_document_get_adjust_mode(zathura->document), NULL };
sc_adjust_window(zathura->ui.session, &new_argument, NULL, 0);
/* render all pages again */
render_all(zathura);
page_set_delayed(zathura, page_number);
return false;
}
bool
sc_scroll(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
if (zathura->document == NULL) {
return false;
}
GtkAdjustment* adjustment = NULL;
if ( (argument->n == LEFT) || (argument->n == FULL_LEFT) || (argument->n == HALF_LEFT) ||
(argument->n == RIGHT) || (argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
adjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
} else {
adjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
}
gdouble view_size = gtk_adjustment_get_page_size(adjustment);
gdouble value = gtk_adjustment_get_value(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
zathura->global.update_page_number = true;
float scroll_step = 40;
girara_setting_get(session, "scroll-step", &scroll_step);
float scroll_hstep = -1;
girara_setting_get(session, "scroll-hstep", &scroll_hstep);
if (scroll_hstep < 0) {
scroll_hstep = scroll_step;
}
int padding = 1;
girara_setting_get(session, "page-padding", &padding);
gdouble new_value;
switch(argument->n) {
case FULL_UP:
case FULL_LEFT:
new_value = value - view_size - padding;
break;
case FULL_DOWN:
case FULL_RIGHT:
new_value = value + view_size + padding;
break;
case HALF_UP:
case HALF_LEFT:
new_value = value - ((view_size + padding) / 2);
break;
case HALF_DOWN:
case HALF_RIGHT:
new_value = value + ((view_size + padding) / 2);
break;
case LEFT:
new_value = value - scroll_hstep;
break;
case UP:
new_value = value - scroll_step;
break;
case RIGHT:
new_value = value + scroll_hstep;
break;
case DOWN:
new_value = value + scroll_step;
break;
case TOP:
new_value = 0;
break;
case BOTTOM:
new_value = max;
break;
default:
new_value = value;
}
set_adjustment(adjustment, new_value);
return false;
}
bool
sc_jumplist(girara_session_t* session, girara_argument_t* argument, girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
zathura_jump_t* jump = NULL;
switch(argument->n) {
case FORWARD:
zathura_jumplist_save(zathura);
zathura_jumplist_forward(zathura);
jump = zathura_jumplist_current(zathura);
break;
case BACKWARD:
zathura_jumplist_save(zathura);
zathura_jumplist_backward(zathura);
jump = zathura_jumplist_current(zathura);
break;
}
page_set(zathura, jump->page);
position_set_delayed(zathura, jump->x, jump->y);
return false;
}
bool
sc_search(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
const int num_pages = zathura_document_get_number_of_pages(zathura->document);
const int cur_page = zathura_document_get_current_page_number(zathura->document);
int diff = argument->n == FORWARD ? 1 : -1;
zathura_page_t* target_page = NULL;
int target_idx = 0;
for (int page_id = 0; page_id < num_pages; ++page_id) {
int tmp = cur_page + diff * page_id;
zathura_page_t* page = zathura_document_get_page(zathura->document, (tmp + num_pages) % num_pages);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
int num_search_results = 0, current = -1;
g_object_get(page_widget, "search-current", &current,
"search-length", &num_search_results, NULL);
if (num_search_results == 0 || current == -1) {
continue;
}
if (diff == 1 && current < num_search_results - 1) {
/* the next result is on the same page */
target_page = page;
target_idx = current + 1;
} else if (diff == -1 && current > 0) {
target_page = page;
target_idx = current - 1;
} else {
/* the next result is on a different page */
zathura_jumplist_save(zathura);
g_object_set(page_widget, "search-current", -1, NULL);
for (int npage_id = 1; page_id < num_pages; ++npage_id) {
int ntmp = cur_page + diff * (page_id + npage_id);
zathura_page_t* npage = zathura_document_get_page(zathura->document, (ntmp + 2*num_pages) % num_pages);
zathura_document_set_current_page_number(zathura->document, zathura_page_get_index(npage));
GtkWidget* npage_page_widget = zathura_page_get_widget(zathura, npage);
g_object_get(npage_page_widget, "search-length", &num_search_results, NULL);
if (num_search_results != 0) {
target_page = npage;
target_idx = diff == 1 ? 0 : num_search_results - 1;
break;
}
}
zathura_jumplist_add(zathura);
}
break;
}
if (target_page != NULL) {
girara_list_t* results = NULL;
GtkWidget* page_widget = zathura_page_get_widget(zathura, target_page);
g_object_set(page_widget, "search-current", target_idx, NULL);
g_object_get(page_widget, "search-results", &results, NULL);
zathura_rectangle_t* rect = girara_list_nth(results, target_idx);
zathura_rectangle_t rectangle = recalc_rectangle(target_page, *rect);
page_offset_t offset;
page_calculate_offset(zathura, target_page, &offset);
GtkAdjustment* view_vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
int y = offset.y - gtk_adjustment_get_page_size(view_vadjustment) / 2 + rectangle.y1;
set_adjustment(view_vadjustment, y);
bool search_hadjust = true;
girara_setting_get(session, "search-hadjust", &search_hadjust);
if (search_hadjust == true) {
GtkAdjustment* view_hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
int x = offset.x - gtk_adjustment_get_page_size(view_hadjustment) / 2 + rectangle.x1;
set_adjustment(view_hadjustment, x);
}
}
return false;
}
bool
sc_navigate_index(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
if(zathura->ui.index == NULL) {
return false;
}
GtkTreeView *tree_view = gtk_container_get_children(GTK_CONTAINER(zathura->ui.index))->data;
GtkTreePath *path;
gtk_tree_view_get_cursor(tree_view, &path, NULL);
if (path == NULL) {
return false;
}
GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
GtkTreeIter iter;
GtkTreeIter child_iter;
gboolean is_valid_path = TRUE;
switch(argument->n) {
case UP:
if (gtk_tree_path_prev(path) == FALSE) {
/* For some reason gtk_tree_path_up returns TRUE although we're not
* moving anywhere. */
is_valid_path = gtk_tree_path_up(path) && (gtk_tree_path_get_depth(path) > 0);
} else { /* row above */
while(gtk_tree_view_row_expanded(tree_view, path)) {
gtk_tree_model_get_iter(model, &iter, path);
/* select last child */
gtk_tree_model_iter_nth_child(model, &child_iter, &iter,
gtk_tree_model_iter_n_children(model, &iter)-1);
gtk_tree_path_free(path);
path = gtk_tree_model_get_path(model, &child_iter);
}
}
break;
case COLLAPSE:
if (gtk_tree_view_collapse_row(tree_view, path) == FALSE
&& gtk_tree_path_get_depth(path) > 1) {
gtk_tree_path_up(path);
gtk_tree_view_collapse_row(tree_view, path);
}
break;
case DOWN:
if (gtk_tree_view_row_expanded(tree_view, path) == TRUE) {
gtk_tree_path_down(path);
} else {
do {
gtk_tree_model_get_iter(model, &iter, path);
if (gtk_tree_model_iter_next(model, &iter)) {
path = gtk_tree_model_get_path(model, &iter);
break;
}
} while((is_valid_path = (gtk_tree_path_get_depth(path) > 1))
&& gtk_tree_path_up(path));
}
break;
case EXPAND:
if (gtk_tree_view_expand_row(tree_view, path, FALSE)) {
gtk_tree_path_down(path);
}
break;
case EXPAND_ALL:
gtk_tree_view_expand_all(tree_view);
break;
case COLLAPSE_ALL:
gtk_tree_view_collapse_all(tree_view);
gtk_tree_path_free(path);
path = gtk_tree_path_new_first();
gtk_tree_view_set_cursor(tree_view, path, NULL, FALSE);
break;
case SELECT:
cb_index_row_activated(tree_view, path, NULL, zathura);
return false;
}
if (is_valid_path) {
gtk_tree_view_set_cursor(tree_view, path, NULL, FALSE);
}
gtk_tree_path_free(path);
return false;
}
bool
sc_toggle_index(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL) {
return false;
}
girara_tree_node_t* document_index = NULL;
GtkWidget* treeview = NULL;
GtkTreeModel* model = NULL;
GtkCellRenderer* renderer = NULL;
GtkCellRenderer* renderer2 = NULL;
if (zathura->ui.index == NULL) {
/* create new index widget */
zathura->ui.index = gtk_scrolled_window_new(NULL, NULL);
if (zathura->ui.index == NULL) {
goto error_ret;
}
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(zathura->ui.index),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
/* create index */
document_index = zathura_document_index_generate(zathura->document, NULL);
if (document_index == NULL) {
girara_notify(session, GIRARA_WARNING, _("This document does not contain any index"));
goto error_free;
}
model = GTK_TREE_MODEL(gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER));
if (model == NULL) {
goto error_free;
}
treeview = gtk_tree_view_new_with_model(model);
if (treeview == NULL) {
goto error_free;
}
g_object_unref(model);
renderer = gtk_cell_renderer_text_new();
if (renderer == NULL) {
goto error_free;
}
renderer2 = gtk_cell_renderer_text_new();
if (renderer2 == NULL) {
goto error_free;
}
document_index_build(model, NULL, document_index);
girara_node_free(document_index);
/* setup widget */
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW (treeview), 0, "Title", renderer, "markup", 0, NULL);
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW (treeview), 1, "Target", renderer2, "text", 1, NULL);
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
g_object_set(G_OBJECT(renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
g_object_set(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(treeview), 0)), "expand", TRUE, NULL);
gtk_tree_view_column_set_alignment(gtk_tree_view_get_column(GTK_TREE_VIEW(treeview), 1), 1.0f);
gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), gtk_tree_path_new_first(), NULL, FALSE);
g_signal_connect(G_OBJECT(treeview), "row-activated", G_CALLBACK(cb_index_row_activated), zathura);
gtk_container_add(GTK_CONTAINER(zathura->ui.index), treeview);
gtk_widget_show(treeview);
}
static double vvalue = 0;
static double hvalue = 0;
if (gtk_widget_get_visible(GTK_WIDGET(zathura->ui.index))) {
girara_set_view(session, zathura->ui.page_widget_alignment);
gtk_widget_hide(GTK_WIDGET(zathura->ui.index));
girara_mode_set(zathura->ui.session, zathura->modes.normal);
/* reset adjustment */
position_set_delayed(zathura, hvalue, vvalue);
} else {
/* save adjustment */
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
vvalue = gtk_adjustment_get_value(vadjustment);
hvalue = gtk_adjustment_get_value(hadjustment);
/* save current position to the jumplist */
zathura_jumplist_save(zathura);
girara_set_view(session, zathura->ui.index);
gtk_widget_show(GTK_WIDGET(zathura->ui.index));
girara_mode_set(zathura->ui.session, zathura->modes.index);
}
return false;
error_free:
if (zathura->ui.index != NULL) {
g_object_ref_sink(zathura->ui.index);
zathura->ui.index = NULL;
}
if (document_index != NULL) {
girara_node_free(document_index);
}
error_ret:
return false;
}
bool
sc_toggle_fullscreen(girara_session_t* session, girara_argument_t*
UNUSED(argument), girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL) {
girara_notify(session, GIRARA_WARNING, _("No document opened."));
return false;
}
static bool fullscreen = false;
static int pages_per_row = 1;
static int first_page_column = 1;
static double zoom = 1.0;
if (fullscreen == true) {
/* reset pages per row */
girara_setting_set(session, "pages-per-row", &pages_per_row);
/* reset first page column */
girara_setting_set(session, "first-page-column", &first_page_column);
/* show status bar */
gtk_widget_show(GTK_WIDGET(session->gtk.statusbar));
/* set full screen */
gtk_window_unfullscreen(GTK_WINDOW(session->gtk.window));
/* reset scale */
zathura_document_set_scale(zathura->document, zoom);
render_all(zathura);
page_set_delayed(zathura, zathura_document_get_current_page_number(zathura->document));
} else {
/* backup pages per row */
girara_setting_get(session, "pages-per-row", &pages_per_row);
/* backup first page column */
girara_setting_get(session, "first-page-column", &first_page_column);
/* set single view */
int int_value = 1;
girara_setting_set(session, "pages-per-row", &int_value);
/* back up zoom */
zoom = zathura_document_get_scale(zathura->document);
/* adjust window */
girara_argument_t argument = { ZATHURA_ADJUST_BESTFIT, NULL };
sc_adjust_window(session, &argument, NULL, 0);
/* hide status and inputbar */
gtk_widget_hide(GTK_WIDGET(session->gtk.inputbar));
gtk_widget_hide(GTK_WIDGET(session->gtk.statusbar));
/* set full screen */
gtk_window_fullscreen(GTK_WINDOW(session->gtk.window));
page_set_delayed(zathura, zathura_document_get_current_page_number(zathura->document));
}
fullscreen = fullscreen ? false : true;
return false;
}
bool
sc_quit(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
girara_argument_t arg = { GIRARA_HIDE, NULL };
girara_isc_completion(session, &arg, NULL, 0);
cb_destroy(NULL, NULL);
return false;
}
bool
sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
UNUSED(event), unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
zathura_document_set_adjust_mode(zathura->document, ZATHURA_ADJUST_NONE);
/* retreive zoom step value */
int value = 1;
girara_setting_get(zathura->ui.session, "zoom-step", &value);
int nt = (t == 0) ? 1 : t;
float zoom_step = value / 100.0f * nt;
float old_zoom = zathura_document_get_scale(zathura->document);
/* specify new zoom value */
if (argument->n == ZOOM_IN) {
zathura_document_set_scale(zathura->document, old_zoom + zoom_step);
} else if (argument->n == ZOOM_OUT) {
zathura_document_set_scale(zathura->document, old_zoom - zoom_step);
} else if (argument->n == ZOOM_SPECIFIC) {
if (t == 0) {
zathura_document_set_scale(zathura->document, 1.0f);
} else {
zathura_document_set_scale(zathura->document, t / 100.0f);
}
} else {
zathura_document_set_scale(zathura->document, 1.0f);
}
/* zoom limitations */
int zoom_min_int = 10;
int zoom_max_int = 1000;
girara_setting_get(session, "zoom-min", &zoom_min_int);
girara_setting_get(session, "zoom-max", &zoom_max_int);
float zoom_min = zoom_min_int * 0.01f;
float zoom_max = zoom_max_int * 0.01f;
float scale = zathura_document_get_scale(zathura->document);
if (scale < zoom_min) {
zathura_document_set_scale(zathura->document, zoom_min);
} else if (scale > zoom_max) {
zathura_document_set_scale(zathura->document, zoom_max);
}
/* keep position */
readjust_view_after_zooming(zathura, old_zoom, true);
render_all(zathura);
return false;
}
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