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add vertical centering option

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This commit is contained in:
Deven Lahoti 2017-02-22 19:18:25 -05:00
parent 0ca4789d66
commit 9f3f5b34e2
3 changed files with 19 additions and 2 deletions
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7
doc/man/zathurarc.5.rst
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@ -943,6 +943,13 @@ En/Disables horizontally centered zooming.
* Value type: Boolean
* Default value: false
vertical-center
^^^^^^^^^^^
Center the screen at the vertical midpoint of the page by default.
* Value type: Boolean
* Default value: false
zoom-max
^^^^^^^^
Defines the maximum percentage that the zoom level can be.

2
zathura/config.c
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@ -198,6 +198,8 @@ config_load_default(zathura_t* zathura)
girara_setting_add(gsession, "advance-pages-per-row", &bool_value, BOOLEAN, false, _("Advance number of pages per row"), NULL, NULL);
bool_value = false;
girara_setting_add(gsession, "zoom-center", &bool_value, BOOLEAN, false, _("Horizontally centered zoom"), NULL, NULL);
bool_value = false;
girara_setting_add(gsession, "vertical-center", &bool_value, BOOLEAN, false, _("Vertically center pages"), NULL, NULL);
bool_value = true;
girara_setting_add(gsession, "link-hadjust", &bool_value, BOOLEAN, false, _("Align link target to the left"), NULL, NULL);
bool_value = true;

12
zathura/zathura.c
View file

@ -1382,9 +1382,17 @@ position_set(zathura_t* zathura, double position_x, double position_y)
double comppos_x, comppos_y;
unsigned int page_id = zathura_document_get_current_page_number(zathura->document);
bool vertical_center = false;
girara_setting_get(zathura->ui.session, "vertical-center", &vertical_center);
/* xalign = 0.5: center horizontally (with the page, not the document) */
/* yalign = 0.0: align page an viewport edges at the top */
page_number_to_position(zathura->document, page_id, 0.5, 0.0, &comppos_x, &comppos_y);
if (vertical_center) {
/* yalign = 0.0: align page an viewport edges at the top */
page_number_to_position(zathura->document, page_id, 0.5, 0.0, &comppos_x, &comppos_y);
} else {
/* yalign = 0.5: center vertically */
page_number_to_position(zathura->document, page_id, 0.5, 0.5, &comppos_x, &comppos_y);
}
/* automatic horizontal adjustment */
zathura_adjust_mode_t adjust_mode = zathura_document_get_adjust_mode(zathura->document);