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 unsigned int num_pages = zathura_document_get_number_of_pages(zathura->document);
const unsigned int cur_page = zathura_document_get_current_page_number(zathura->document);
GtkWidget *cur_page_widget = zathura_page_get_widget(zathura, zathura_document_get_page(zathura->document, cur_page));
bool nohlsearch, first_time_after_abort, draw;
nohlsearch = first_time_after_abort = draw = false;
girara_setting_get(session, "nohlsearch", &nohlsearch);
if (nohlsearch == false) {
g_object_get(cur_page_widget, "draw-search-results", &draw, NULL);
if (draw == false) {
first_time_after_abort = true;
}
document_draw_search_results(zathura, true);
}
int diff = argument->n == FORWARD ? 1 : -1;
if (zathura->global.search_direction == BACKWARD)
diff = -diff;
zathura_page_t* target_page = NULL;
int target_idx = 0;
for (unsigned 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", ¤t, "search-length", &num_search_results, NULL);
if (num_search_results == 0 || current == -1) {
continue;
}
if (first_time_after_abort == true || (tmp + num_pages) % num_pages != cur_page) {
target_page = page;
target_idx = diff == 1 ? 0 : num_search_results - 1;
break;
}
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 */
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);
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;
}
}
}
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);
/* Need to adjust rectangle to page scale and orientation */
zathura_rectangle_t* rect = girara_list_nth(results, target_idx);
zathura_rectangle_t rectangle = recalc_rectangle(target_page, *rect);
bool search_hadjust = true;
girara_setting_get(session, "search-hadjust", &search_hadjust);
/* compute the position of the center of the page */
double pos_x = 0;
double pos_y = 0;
page_number_to_position(zathura->document, zathura_page_get_index(target_page),
0.5, 0.5, &pos_x, &pos_y);
/* correction to center the current result */
/* NOTE: rectangle is in viewport units, already scaled and rotated */
unsigned int cell_height = 0;
unsigned int cell_width = 0;
zathura_document_get_cell_size(zathura->document, &cell_height, &cell_width);
unsigned int doc_height = 0;
unsigned int doc_width = 0;
zathura_document_get_document_size(zathura->document, &doc_height, &doc_width);
/* compute the center of the rectangle, which will be aligned to the center
of the viewport */
double center_x = (rectangle.x1 + rectangle.x2) / 2;
double center_y = (rectangle.y1 + rectangle.y2) / 2;
pos_y += (center_y - (double)cell_height/2) / (double)doc_height;
if (search_hadjust == true) {
pos_x += (center_x - (double)cell_width/2) / (double)doc_width;
}
/* move to position */
zathura_jumplist_add(zathura);
position_set(zathura, pos_x, pos_y);
zathura_jumplist_add(zathura);
}
return false;
}
bool
sc_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);
if (zathura->document == NULL) {
return false;
}
/* if TOP or BOTTOM, go there and we are done */
if (argument->n == TOP) {
position_set(zathura, -1, 0);
return false;
} else if (argument->n == BOTTOM) {
position_set(zathura, -1, 1.0);
return false;
}
/* Retrieve current page and position */
const unsigned int page_id = zathura_document_get_current_page_number(zathura->document);
double pos_x = zathura_document_get_position_x(zathura->document);
double pos_y = zathura_document_get_position_y(zathura->document);
/* If PAGE_TOP or PAGE_BOTTOM, go there and we are done */
if (argument->n == PAGE_TOP) {
double dontcare = 0.5;
page_number_to_position(zathura->document, page_id, dontcare, 0.0, &dontcare, &pos_y);
position_set(zathura, pos_x, pos_y);
return false;
} else if (argument->n == PAGE_BOTTOM) {
double dontcare = 0.5;
page_number_to_position(zathura->document, page_id, dontcare, 1.0, &dontcare, &pos_y);
position_set(zathura, pos_x, pos_y);
return false;
}
if (t == 0) {
t = 1;
}
unsigned int view_width = 0;
unsigned int view_height = 0;
zathura_document_get_viewport_size(zathura->document, &view_height, &view_width);
unsigned int doc_width = 0;
unsigned int doc_height = 0;
zathura_document_get_document_size(zathura->document, &doc_height, &doc_width);
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;
}
float scroll_full_overlap = 0.0;
girara_setting_get(session, "scroll-full-overlap", &scroll_full_overlap);
bool scroll_page_aware = false;
girara_setting_get(session, "scroll-page-aware", &scroll_page_aware);
bool scroll_wrap = false;
girara_setting_get(session, "scroll-wrap", &scroll_wrap);
/* compute the direction of scrolling */
double direction = 1.0;
if ((argument->n == LEFT) || (argument->n == FULL_LEFT) || (argument->n == HALF_LEFT) ||
(argument->n == UP) || (argument->n == FULL_UP) || (argument->n == HALF_UP)) {
direction = -1.0;
}
const double vstep = (double)view_height / (double)doc_height;
const double hstep = (double)view_width / (double)doc_width;
/* compute new position */
switch (argument->n) {
case FULL_UP:
case FULL_DOWN:
pos_y += direction * (1.0 - scroll_full_overlap) * vstep;
break;
case FULL_LEFT:
case FULL_RIGHT:
pos_x += direction * (1.0 - scroll_full_overlap) * hstep;
break;
case HALF_UP:
case HALF_DOWN:
pos_y += direction * 0.5 * vstep;
break;
case HALF_LEFT:
case HALF_RIGHT:
pos_x += direction * 0.5 * hstep;
break;
case UP:
case DOWN:
pos_y += direction * t * scroll_step / (double)doc_height;
break;
case LEFT:
case RIGHT:
pos_x += direction * t * scroll_hstep / (double)doc_width;
break;
case BIDIRECTIONAL: {
pos_x += event->x * t * scroll_hstep / (double)doc_width;
pos_y += event->y * t * scroll_step / (double)doc_height;
break;
}
}
/* handle boundaries */
const double end_x = 0.5 * (double)view_width / (double)doc_width;
const double end_y = 0.5 * (double)view_height / (double)doc_height;
const double new_x = scroll_wrap ? 1.0 - end_x : end_x;
const double new_y = scroll_wrap ? 1.0 - end_y : end_y;
if (pos_x < end_x) {
pos_x = new_x;
} else if (pos_x > 1.0 - end_x) {
pos_x = 1 - new_x;
}
if (pos_y < end_y) {
pos_y = new_y;
} else if (pos_y > 1.0 - end_y) {
pos_y = 1 - new_y;
}
/* snap to the border if we change page */
const unsigned int new_page_id = position_to_page_number(zathura->document, pos_x, pos_y);
if (scroll_page_aware == true && page_id != new_page_id) {
double dummy = 0.0;
switch(argument->n) {
case FULL_LEFT:
case HALF_LEFT:
page_number_to_position(zathura->document, new_page_id, 1.0, 0.0, &pos_x, &dummy);
break;
case FULL_RIGHT:
case HALF_RIGHT:
page_number_to_position(zathura->document, new_page_id, 0.0, 0.0, &pos_x, &dummy);
break;
case FULL_UP:
case HALF_UP:
page_number_to_position(zathura->document, new_page_id, 0.0, 1.0, &dummy, &pos_y);
break;
case FULL_DOWN:
case HALF_DOWN:
page_number_to_position(zathura->document, new_page_id, 0.0, 0.0, &dummy, &pos_y);
break;
}
}
position_set(zathura, pos_x, pos_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;
if (zathura->global.search_direction == BACKWARD)
diff = -diff;
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", ¤t,
"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_bisect(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);
const unsigned int num_pages = zathura_document_get_number_of_pages(zathura->document);
const unsigned int cur_page = zathura_document_get_current_page_number(zathura->document);
/* process arguments */
int direction;
if (t > 0 && t <= num_pages) {
/* bisect between cur_page and t */
t -= 1;
if (t == cur_page) {
/* nothing to do */
return false;
}
else if (t > cur_page) {
zathura->bisect.start = cur_page;
zathura->bisect.end = t;
direction = BACKWARD;
} else {
zathura->bisect.start = t;
zathura->bisect.end = cur_page;
direction = FORWARD;
}
} else if (argument != NULL) {
direction = argument->n;
/* setup initial bisect range */
zathura_jump_t* jump = zathura_jumplist_current(zathura);
if (jump == NULL) {
girara_debug("bisecting between first and last page because there are no jumps");
zathura->bisect.start = 0;
zathura->bisect.end = num_pages - 1;
} else if (jump->page != cur_page || jump->page != zathura->bisect.last_jump) {
girara_debug("last jump doesn't match up, starting new bisecting");
zathura->bisect.start = 0;
zathura->bisect.end = num_pages - 1;
unsigned int prev_page;
if (direction == FORWARD) {
prev_page = num_pages - 1;
} else {
prev_page = 0;
}
/* check if we have previous jumps */
if (zathura_jumplist_has_previous(zathura) == true) {
zathura_jumplist_backward(zathura);
jump = zathura_jumplist_current(zathura);
if (jump != NULL) {
prev_page = jump->page;
}
zathura_jumplist_forward(zathura);
}
zathura->bisect.start = MIN(prev_page, cur_page);
zathura->bisect.end = MAX(prev_page, cur_page);
zathura->bisect.last_jump = cur_page;
}
} else {
return false;
}
girara_debug("bisecting between %d and %d, at %d", zathura->bisect.start, zathura->bisect.end, cur_page);
if (zathura->bisect.start == zathura->bisect.end) {
/* nothing to do */
return false;
}
unsigned int next_page = cur_page;
unsigned int next_start = zathura->bisect.start;
unsigned int next_end = zathura->bisect.end;
/* here we have next_start <= next_page <= next_end */
/* bisect step */
switch(direction) {
case FORWARD:
if (cur_page != zathura->bisect.end) {
next_page = (cur_page + zathura->bisect.end) / 2;
if (next_page == cur_page) {
++next_page;
}
next_start = cur_page;
}
break;
case BACKWARD:
if (cur_page != zathura->bisect.start) {
next_page = (cur_page + zathura->bisect.start) / 2;
if (next_page == cur_page) {
--next_page;
}
next_end = cur_page;
}
break;
}
if (next_page == cur_page) {
/* nothing to do */
return false;
}
girara_debug("bisecting between %d and %d, jumping to %d", zathura->bisect.start, zathura->bisect.end, next_page);
zathura->bisect.last_jump = next_page;
zathura->bisect.start = next_start;
zathura->bisect.end = next_end;
zathura_jumplist_add(zathura);
page_set(zathura, next_page);
zathura_jumplist_add(zathura);
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;
}
float scroll_full_overlap = 0.0;
girara_setting_get(session, "scroll-full-overlap", &scroll_full_overlap);
bool scroll_page_aware = false;
girara_setting_get(session, "scroll-page-aware", &scroll_page_aware);
bool scroll_wrap = false;
girara_setting_get(session, "scroll-wrap", &scroll_wrap);
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 - (1.0 - scroll_full_overlap) * view_size - padding;
break;
case FULL_DOWN:
case FULL_RIGHT:
new_value = value + (1.0 - scroll_full_overlap) * 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;
}
if (scroll_wrap == true) {
if (new_value < 0)
new_value = max;
else if (new_value > max)
new_value = 0;
}
if (scroll_page_aware == true) {
int page_offset;
double page_size;
{
unsigned int page_id = zathura_document_get_current_page_number(zathura->document);
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
page_offset_t offset;
page_calculate_offset(zathura, page, &offset);
double scale = zathura_document_get_scale(zathura->document);
if ((argument->n == LEFT) || (argument->n == FULL_LEFT) || (argument->n == HALF_LEFT) ||
(argument->n == RIGHT) || (argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
page_offset = offset.x;
page_size = zathura_page_get_width(page) * scale;
} else {
page_offset = offset.y;
page_size = zathura_page_get_height(page) * scale;
}
page_offset -= padding / 2;
page_size += padding;
}
if ((argument->n == FULL_DOWN) || (argument->n == HALF_DOWN) ||
(argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
if ((page_offset > value) &&
(page_offset < value + view_size)) {
new_value = page_offset;
} else if ((page_offset <= value) &&
(page_offset + page_size < value + view_size)) {
new_value = page_offset + page_size + 1;
} else if ((page_offset <= value) &&
(page_offset + page_size < new_value + view_size)) {
new_value = page_offset + page_size - view_size + 1;
}
} else if ((argument->n == FULL_UP) || (argument->n == HALF_UP) ||
(argument->n == FULL_LEFT) || (argument->n == HALF_LEFT)) {
if ((page_offset + 1 >= value) &&
(page_offset < value + view_size)) {
new_value = page_offset - view_size;
} else if ((page_offset <= value) &&
(page_offset + page_size + 1 < value + view_size)) {
new_value = page_offset + page_size - view_size;
} else if ((page_offset <= value) &&
(page_offset > new_value)) {
new_value = page_offset;
}
}
}
set_adjustment(adjustment, new_value);
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));
/* setm ode */
girara_mode_set(session, zathura->modes.normal);
} 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));
/* setm ode */
girara_mode_set(session, zathura->modes.fullscreen);
}
fullscreen = fullscreen ? false : true;
return false;
}
bool
cmd_search(girara_session_t* session, const char* input, girara_argument_t* argument)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(input != NULL, false);
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL || strlen(input) == 0) {
return false;
}
zathura_error_t error = ZATHURA_ERROR_OK;
/* set search direction */
zathura->global.search_direction = argument->n;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
unsigned int current_page_number = zathura_document_get_current_page_number(zathura->document);
/* reset search highlighting */
bool nohlsearch = false;
girara_setting_get(session, "nohlsearch", &nohlsearch);
/* search pages */
for (unsigned int page_id = 0; page_id < number_of_pages; ++page_id) {
unsigned int index = (page_id + current_page_number) % number_of_pages;
zathura_page_t* page = zathura_document_get_page(zathura->document, index);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
g_object_set(page_widget, "draw-links", FALSE, NULL);
zathura_renderer_lock(zathura->sync.render_thread);
girara_list_t* result = zathura_page_search_text(page, input, &error);
zathura_renderer_unlock(zathura->sync.render_thread);
if (result == NULL || girara_list_size(result) == 0) {
girara_list_free(result);
g_object_set(page_widget, "search-results", NULL, NULL);
if (error == ZATHURA_ERROR_NOT_IMPLEMENTED) {
break;
} else {
continue;
}
}
g_object_set(page_widget, "search-results", result, NULL);
if (argument->n == BACKWARD) {
/* start at bottom hit in page */
g_object_set(page_widget, "search-current", girara_list_size(result) - 1, NULL);
} else {
g_object_set(page_widget, "search-current", 0, NULL);
}
}
girara_argument_t* arg = g_try_malloc0(sizeof(girara_argument_t));
if (arg == NULL) {
return false;
}
arg->n = FORWARD;
sc_search(session, arg, NULL, 0);
g_free(arg);
return true;
}
void
cb_view_vadjustment_value_changed(GtkAdjustment* GIRARA_UNUSED(adjustment), gpointer data)
{
zathura_t* zathura = data;
if (zathura == NULL || zathura->document == 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));
/* current adjustment values */
GdkRectangle view_rect = {
.x = 0,
.y = 0,
.width = gtk_adjustment_get_page_size(view_hadjustment),
.height = gtk_adjustment_get_page_size(view_vadjustment)
};
int page_padding = 1;
girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
GdkRectangle center = {
.x = (view_rect.width + 1) / 2,
.y = (view_rect.height + 1) / 2,
.width = (2 * page_padding) + 1,
.height = (2 * page_padding) + 1
};
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
double scale = zathura_document_get_scale(zathura->document);
bool updated = false;
/* find page that fits */
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);
GdkRectangle page_rect = {
.width = zathura_page_get_width(page) * scale,
.height = zathura_page_get_height(page) * scale
};
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
gtk_widget_translate_coordinates(page_widget,
zathura->ui.session->gtk.view, 0, 0, &page_rect.x, &page_rect.y);
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(¢er, &page_rect, NULL) == TRUE) {
zathura_document_set_current_page_number(zathura->document, 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;
}
unsigned int first_page_column = 1;
girara_setting_get(session, "first-page-column", &first_page_column);
page_widget_set_mode(zathura, pages_per_row, first_page_column);
if (zathura->document != NULL) {
unsigned int current_page = zathura_document_get_current_page_number(zathura->document);
page_set_delayed(zathura, current_page);
}
}
bool
sc_bisect(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);
unsigned int number_of_pages, cur_page, prev_page, prev2_page;
bool have_prev, have_prev2;
zathura_jump_t* prev_jump = NULL;
zathura_jump_t* prev2_jump = NULL;
number_of_pages= zathura_document_get_number_of_pages(zathura->document);
cur_page = zathura_document_get_current_page_number(zathura->document);
prev_page = prev2_page = 0;
have_prev = have_prev2 = false;
/* save position at current jump point */
zathura_jumplist_save(zathura);
/* process arguments */
int direction;
if (t > 0 && t <= number_of_pages) {
/* jump to page t, and bisect between cur_page and t */
page_set(zathura, t-1);
zathura_jumplist_add(zathura);
if (t-1 > cur_page) {
direction = BACKWARD;
} else {
direction = FORWARD;
}
} else if (argument != NULL) {
direction = argument->n;
} else {
return false;
}
cur_page = zathura_document_get_current_page_number(zathura->document);
if (zathura_jumplist_has_previous(zathura)) {
/* If there is a previous jump, get its page */
zathura_jumplist_backward(zathura);
prev_jump = zathura_jumplist_current(zathura);
if (prev_jump) {
prev_page = prev_jump->page;
have_prev = true;
}
if (zathura_jumplist_has_previous(zathura)) {
/* If there is a second previous jump, get its page. */
zathura_jumplist_backward(zathura);
prev2_jump = zathura_jumplist_current(zathura);
if (prev2_jump) {
prev2_page = prev2_jump->page;
have_prev2 = true;
}
zathura_jumplist_forward(zathura);
}
zathura_jumplist_forward(zathura);
}
/* now, we are back at the initial jump. prev_page and prev2_page contain
the pages for previous and second previous jump if they exist. */
/* bisect */
switch(direction) {
case FORWARD:
if (have_prev && cur_page <= prev_page) {
/* add a new jump point */
if (cur_page < prev_page) {
page_set(zathura, (cur_page + prev_page)/2);
zathura_jumplist_add(zathura);
}
} else if (have_prev2 && cur_page <= prev2_page) {
/* save current position at previous jump point */
if (cur_page < prev2_page) {
zathura_jumplist_backward(zathura);
zathura_jumplist_save(zathura);
zathura_jumplist_forward(zathura);
page_set(zathura, (cur_page + prev2_page)/2);
zathura_jumplist_save(zathura);
}
} else {
/* none of prev_page or prev2_page comes after cur_page */
page_set(zathura, (cur_page + number_of_pages - 1)/2);
zathura_jumplist_add(zathura);
}
break;
case BACKWARD:
if (have_prev && prev_page <= cur_page) {
/* add a new jump point */
if (prev_page < cur_page) {
page_set(zathura, (cur_page + prev_page)/2);
zathura_jumplist_add(zathura);
}
} else if (have_prev2 && prev2_page <= cur_page) {
/* save current position at previous jump point */
if (prev2_page < cur_page) {
zathura_jumplist_backward(zathura);
zathura_jumplist_save(zathura);
zathura_jumplist_forward(zathura);
page_set(zathura, (cur_page + prev2_page)/2);
zathura_jumplist_save(zathura);
}
} else {
/* none of prev_page or prev2_page comes before cur_page */
page_set(zathura, cur_page/2);
zathura_jumplist_add(zathura);
}
break;
}
/* adjust horizontal position */
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
cb_view_hadjustment_changed(hadjustment, zathura);
return false;
}
