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Refactor

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This commit is contained in:
Sebastian Ramacher 2018-06-02 11:12:14 +02:00
parent 2899daa838
commit abb76d8dfe
1 changed files with 75 additions and 69 deletions
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144
zathura/links.c
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@ -117,6 +117,79 @@ zathura_link_get_target(zathura_link_t* link)
return link->target;
}
static void
link_goto_dest(zathura_t* zathura, const zathura_link_t* link)
{
if (link->target.destination_type == ZATHURA_LINK_DESTINATION_UNKNOWN) {
girara_warning("link destination type unknown");
return;
}
bool link_zoom = true;
girara_setting_get(zathura->ui.session, "link-zoom", &link_zoom);
if (link->target.zoom >= DBL_EPSILON && link_zoom == true) {
zathura_document_set_zoom(zathura->document,
zathura_correct_zoom_value(zathura->ui.session, link->target.zoom));
render_all(zathura);
}
/* get page */
zathura_page_t* page = zathura_document_get_page(zathura->document,
link->target.page_number);
if (page == NULL) {
girara_warning("link to non-existing page %u", link->target.page_number);
return;
}
/* compute the position with the page aligned to the top and left
of the viewport */
double pos_x = 0;
double pos_y = 0;
page_number_to_position(zathura->document, link->target.page_number,
0.0, 0.0, &pos_x, &pos_y);
/* correct to place the target position at the top of the viewport */
/* NOTE: link->target is in page units, needs to be 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);
bool link_hadjust = true;
girara_setting_get(zathura->ui.session, "link-hadjust", &link_hadjust);
/* scale and rotate */
double scale = zathura_document_get_scale(zathura->document);
double shiftx = link->target.left * scale / (double)cell_width;
double shifty = link->target.top * scale / (double)cell_height;
page_calc_position(zathura->document, shiftx, shifty, &shiftx, &shifty);
/* shift the position or set to auto */
if (link->target.destination_type == ZATHURA_LINK_DESTINATION_XYZ &&
link->target.left != -1 && link_hadjust == true) {
pos_x += shiftx / (double)doc_width;
} else {
pos_x = -1; /* -1 means automatic */
}
if (link->target.destination_type == ZATHURA_LINK_DESTINATION_XYZ &&
link->target.top != -1) {
pos_y += shifty / (double)doc_height;
} else {
pos_y = -1; /* -1 means automatic */
}
/* move to position */
zathura_jumplist_add(zathura);
zathura_document_set_current_page_number(zathura->document, link->target.page_number);
position_set(zathura, pos_x, pos_y);
zathura_jumplist_add(zathura);
}
static void
link_remote(zathura_t* zathura, const char* file)
{
@ -145,12 +218,8 @@ link_remote(zathura_t* zathura, const char* file)
}
static void
link_launch(zathura_t* zathura, zathura_link_t* link)
link_launch(zathura_t* zathura, const zathura_link_t* link)
{
if (zathura == NULL || link == NULL || zathura->document == NULL) {
return;
}
/* get file path */
if (link->target.value == NULL) {
return;
@ -180,72 +249,9 @@ zathura_link_evaluate(zathura_t* zathura, zathura_link_t* link)
return;
}
bool link_zoom = true;
girara_setting_get(zathura->ui.session, "link-zoom", &link_zoom);
switch (link->type) {
case ZATHURA_LINK_GOTO_DEST:
if (link->target.destination_type != ZATHURA_LINK_DESTINATION_UNKNOWN) {
if (link->target.zoom >= DBL_EPSILON && link_zoom) {
zathura_document_set_zoom(zathura->document,
zathura_correct_zoom_value(zathura->ui.session, link->target.zoom));
render_all(zathura);
}
/* get page */
zathura_page_t* page = zathura_document_get_page(zathura->document,
link->target.page_number);
if (page == NULL) {
return;
}
/* compute the position with the page aligned to the top and left
of the viewport */
double pos_x = 0;
double pos_y = 0;
page_number_to_position(zathura->document, link->target.page_number,
0.0, 0.0, &pos_x, &pos_y);
/* correct to place the target position at the top of the viewport */
/* NOTE: link->target is in page units, needs to be 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);
bool link_hadjust = true;
girara_setting_get(zathura->ui.session, "link-hadjust", &link_hadjust);
/* scale and rotate */
double scale = zathura_document_get_scale(zathura->document);
double shiftx = link->target.left * scale / (double)cell_width;
double shifty = link->target.top * scale / (double)cell_height;
page_calc_position(zathura->document, shiftx, shifty, &shiftx, &shifty);
/* shift the position or set to auto */
if (link->target.destination_type == ZATHURA_LINK_DESTINATION_XYZ &&
link->target.left != -1 && link_hadjust == true) {
pos_x += shiftx / (double)doc_width;
} else {
pos_x = -1; /* -1 means automatic */
}
if (link->target.destination_type == ZATHURA_LINK_DESTINATION_XYZ &&
link->target.top != -1) {
pos_y += shifty / (double)doc_height;
} else {
pos_y = -1; /* -1 means automatic */
}
/* move to position */
zathura_jumplist_add(zathura);
zathura_document_set_current_page_number(zathura->document, link->target.page_number);
position_set(zathura, pos_x, pos_y);
zathura_jumplist_add(zathura);
}
link_goto_dest(zathura, link);
break;
case ZATHURA_LINK_GOTO_REMOTE:
link_remote(zathura, link->target.value);