zathura/marks.c

264 lines
7.8 KiB
C

/* See LICENSE file for license and copyright information */
#include <stdlib.h>
#include <string.h>
#include <girara/session.h>
#include <girara/callbacks.h>
#include <girara/datastructures.h>
#include "callbacks.h"
#include "marks.h"
#include "document.h"
#include "render.h"
#include "utils.h"
static void mark_add(zathura_t* zathura, int key);
static void mark_evaluate(zathura_t* zathura, int key);
static bool cb_marks_view_key_press_event_add(GtkWidget* widget, GdkEventKey*
event, girara_session_t* session);
static bool cb_marks_view_key_press_event_evaluate(GtkWidget* widget,
GdkEventKey* event, girara_session_t* session);
struct zathura_mark_s {
int key; /**> Marks key */
double position_x; /**> Horizontal adjustment */
double position_y; /**> Vertical adjustment */
float scale; /**> Zoom level */
};
bool
sc_mark_add(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->gtk.view != NULL, FALSE);
/* redirect signal handler */
g_signal_handler_disconnect(G_OBJECT(session->gtk.view), session->signals.view_key_pressed);
session->signals.view_key_pressed = g_signal_connect(G_OBJECT(session->gtk.view), "key-press-event",
G_CALLBACK(cb_marks_view_key_press_event_add), session);
return true;
}
bool
sc_mark_evaluate(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->gtk.view != NULL, FALSE);
/* redirect signal handler */
g_signal_handler_disconnect(G_OBJECT(session->gtk.view), session->signals.view_key_pressed);
session->signals.view_key_pressed = g_signal_connect(G_OBJECT(session->gtk.view), "key-press-event",
G_CALLBACK(cb_marks_view_key_press_event_evaluate), session);
return true;
}
bool
cb_marks_view_key_press_event_add(GtkWidget* UNUSED(widget), GdkEventKey* event,
girara_session_t* session)
{
g_return_val_if_fail(session != NULL, FALSE);
g_return_val_if_fail(session->gtk.view != NULL, FALSE);
g_return_val_if_fail(session->global.data != NULL, FALSE);
zathura_t* zathura = (zathura_t*) session->global.data;
/* reset signal handler */
g_signal_handler_disconnect(G_OBJECT(session->gtk.view), session->signals.view_key_pressed);
session->signals.view_key_pressed = g_signal_connect(G_OBJECT(session->gtk.view), "key-press-event",
G_CALLBACK(girara_callback_view_key_press_event), session);
/* evaluate key */
if (((event->keyval >= 0x41 && event->keyval <= 0x5A) || (event->keyval >=
0x61 && event->keyval <= 0x7A)) == false) {
return false;
}
mark_add(zathura, event->keyval);
return true;
}
bool cb_marks_view_key_press_event_evaluate(GtkWidget* UNUSED(widget), GdkEventKey*
event, girara_session_t* session)
{
g_return_val_if_fail(session != NULL, FALSE);
g_return_val_if_fail(session->gtk.view != NULL, FALSE);
g_return_val_if_fail(session->global.data != NULL, FALSE);
zathura_t* zathura = (zathura_t*) session->global.data;
/* reset signal handler */
g_signal_handler_disconnect(G_OBJECT(session->gtk.view), session->signals.view_key_pressed);
session->signals.view_key_pressed = g_signal_connect(G_OBJECT(session->gtk.view), "key-press-event",
G_CALLBACK(girara_callback_view_key_press_event), session);
/* evaluate key */
if (((event->keyval >= 0x41 && event->keyval <= 0x5A) || (event->keyval >=
0x61 && event->keyval <= 0x7A)) == false) {
return true;
}
mark_evaluate(zathura, event->keyval);
return true;
}
bool
cmd_marks_add(girara_session_t* session, girara_list_t* argument_list)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = (zathura_t*) session->global.data;
if (girara_list_size(argument_list) < 1) {
return false;
}
char* key_string = girara_list_nth(argument_list, 0);
if (key_string == NULL) {
return false;
}
if (strlen(key_string) < 1 || strlen(key_string) > 1) {
return false;
}
char key = key_string[0];
if (((key >= 0x41 && key <= 0x5A) || (key >=
0x61 && key <= 0x7A)) == false) {
return false;
}
mark_add(zathura, key);
return false;
}
bool
cmd_marks_delete(girara_session_t* session, girara_list_t* argument_list)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = (zathura_t*) session->global.data;
if (girara_list_size(argument_list) < 1) {
return false;
}
if (girara_list_size(zathura->global.marks) == 0) {
return false;
}
GIRARA_LIST_FOREACH(argument_list, char*, iter, key_string)
if (key_string == NULL) {
continue;
}
for (unsigned int i = 0; i < strlen(key_string); i++) {
char key = key_string[i];
if (((key >= 0x41 && key <= 0x5A) || (key >=
0x61 && key <= 0x7A)) == false) {
continue;
}
/* search for existing mark */
girara_list_iterator_t* mark_iter = girara_list_iterator(zathura->global.marks);
do {
zathura_mark_t* mark = (zathura_mark_t*) girara_list_iterator_data(mark_iter);
if (mark == NULL) {
continue;
}
if (mark->key == key) {
girara_list_remove(zathura->global.marks, mark);
continue;
}
} while (girara_list_iterator_next(mark_iter) != NULL);
girara_list_iterator_free(mark_iter);
}
GIRARA_LIST_FOREACH_END(argument_list, char*, iter, key_string);
return true;
}
void
mark_add(zathura_t* zathura, int key)
{
if (zathura == NULL || zathura->document == NULL || zathura->global.marks == NULL) {
return;
}
GtkScrolledWindow *window = GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view);
GtkAdjustment* v_adjustment = gtk_scrolled_window_get_vadjustment(window);
GtkAdjustment* h_adjustment = gtk_scrolled_window_get_hadjustment(window);
if (v_adjustment == NULL || h_adjustment == NULL) {
return;
}
double position_x = gtk_adjustment_get_value(h_adjustment);
double position_y = gtk_adjustment_get_value(v_adjustment);
float scale = zathura_document_get_scale(zathura->document);
/* search for existing mark */
GIRARA_LIST_FOREACH(zathura->global.marks, zathura_mark_t*, iter, mark)
if (mark->key == key) {
mark->position_x = position_x;
mark->position_y = position_y;
mark->scale = scale;
return;
}
GIRARA_LIST_FOREACH_END(zathura->global.marks, zathura_mark_t*, iter, mark);
/* add new mark */
zathura_mark_t* mark = g_malloc0(sizeof(zathura_mark_t));
mark->key = key;
mark->position_x = position_x;
mark->position_y = position_y;
mark->scale = scale;
girara_list_append(zathura->global.marks, mark);
}
void
mark_evaluate(zathura_t* zathura, int key)
{
if (zathura == NULL || zathura->global.marks == NULL) {
return;
}
/* search for existing mark */
GIRARA_LIST_FOREACH(zathura->global.marks, zathura_mark_t*, iter, mark)
if (mark != NULL && mark->key == key) {
double old_scale = zathura_document_get_scale(zathura->document);
zathura_document_set_scale(zathura->document, mark->scale);
readjust_view_after_zooming(zathura, old_scale);
render_all(zathura);
position_set_delayed(zathura, mark->position_x, mark->position_y);
cb_view_vadjustment_value_changed(NULL, zathura);
zathura->global.update_page_number = true;
return;
}
GIRARA_LIST_FOREACH_END(zathura->global.marks, zathura_mark_t*, iter, mark);
}
void
mark_free(void* data)
{
if (data == NULL) {
return;
}
zathura_mark_t* mark = (zathura_mark_t*) data;
g_free(mark);
}