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Add half-page-down and half-page-up commands

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Signed-off-by: Fabienne Ducroquet <fabiduc@gmail.com>
This commit is contained in:
Fabienne Ducroquet 2010-08-14 21:24:20 +02:00 committed by Miciah Dashiel Butler Masters
parent 7f164f8633
commit 6211b8e725
4 changed files with 50 additions and 13 deletions
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2
src/config/actions-main.inc
View File

@ -71,7 +71,9 @@ ACTION_(MAIN, "move-link-right-line", MOVE_LINK_RIGHT_LINE, N__("Move one link r
ACTION_(MAIN, "move-link-up", MOVE_LINK_UP, N__("Move one link up"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "move-link-up-line", MOVE_LINK_UP_LINE, N__("Move to the previous line with a link"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "move-page-down", MOVE_PAGE_DOWN, N__("Move downwards by a page"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "move-half-page-down", MOVE_HALF_PAGE_DOWN, N__("Move downwards by half a page"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "move-page-up", MOVE_PAGE_UP, N__("Move upwards by a page"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "move-half-page-up", MOVE_HALF_PAGE_UP, N__("Move upwards by half a page"), ACTION_REQUIRE_VIEW_STATE),
ACTION_(MAIN, "open-link-in-new-tab", OPEN_LINK_IN_NEW_TAB, N__("Open the current link in a new tab"), ACTION_REQUIRE_VIEW_STATE | ACTION_JUMP_TO_LINK | ACTION_REQUIRE_LINK),
ACTION_(MAIN, "open-link-in-new-tab-in-background", OPEN_LINK_IN_NEW_TAB_IN_BACKGROUND, N__("Open the current link in a new tab in the background"), ACTION_REQUIRE_VIEW_STATE | ACTION_JUMP_TO_LINK | ACTION_REQUIRE_LINK),
ACTION_(MAIN, "open-link-in-new-window", OPEN_LINK_IN_NEW_WINDOW, N__("Open the current link in a new window"), ACTION_RESTRICT_ANONYMOUS | ACTION_REQUIRE_VIEW_STATE | ACTION_JUMP_TO_LINK | ACTION_REQUIRE_LINK),

8
src/viewer/action.c
View File

@ -408,10 +408,18 @@ do_action(struct session *ses, enum main_action action_id, int verbose)
status = move_page_down(ses, doc_view);
break;
case ACT_MAIN_MOVE_HALF_PAGE_DOWN:
status = move_half_page_down(ses, doc_view);
break;
case ACT_MAIN_MOVE_PAGE_UP:
status = move_page_up(ses, doc_view);
break;
case ACT_MAIN_MOVE_HALF_PAGE_UP:
status = move_half_page_up(ses, doc_view);
break;
case ACT_MAIN_MOVE_DOCUMENT_START:
status = move_document_start(ses, doc_view);
break;

51
src/viewer/text/view.c
View File

@ -85,7 +85,7 @@ detach_formatted(struct document_view *doc_view)
/*! @a type == 0 -> PAGE_DOWN;
* @a type == 1 -> DOWN */
static void
move_down(struct session *ses, struct document_view *doc_view, int type)
move_down(struct session *ses, struct document_view *doc_view, int type, int overlap)
{
int newpos;
@ -94,7 +94,8 @@ move_down(struct session *ses, struct document_view *doc_view, int type)
assert(ses->navigate_mode == NAVIGATE_LINKWISE); /* XXX: drop it at some time. --Zas */
newpos = doc_view->vs->y + doc_view->box.height;
newpos = doc_view->vs->y + doc_view->box.height - overlap;
if (newpos < doc_view->document->height)
doc_view->vs->y = newpos;
@ -109,23 +110,35 @@ move_down(struct session *ses, struct document_view *doc_view, int type)
return;
}
enum frame_event_status
move_page_down(struct session *ses, struct document_view *doc_view)
static enum frame_event_status
move_part_page_down(struct session *ses, struct document_view *doc_view, int overlap)
{
int oldy = doc_view->vs->y;
int count = eat_kbd_repeat_count(ses);
ses->navigate_mode = NAVIGATE_LINKWISE;
do move_down(ses, doc_view, 0); while (--count > 0);
do move_down(ses, doc_view, 0, overlap); while (--count > 0);
return doc_view->vs->y == oldy ? FRAME_EVENT_OK : FRAME_EVENT_REFRESH;
}
enum frame_event_status
move_page_down(struct session *ses, struct document_view *doc_view)
{
return move_part_page_down(ses, doc_view, 0);
}
enum frame_event_status
move_half_page_down(struct session *ses, struct document_view *doc_view)
{
return move_part_page_down(ses, doc_view, doc_view->box.height / 2);
}
/*! @a type == 0 -> PAGE_UP;
* @a type == 1 -> UP */
static void
move_up(struct session *ses, struct document_view *doc_view, int type)
move_up(struct session *ses, struct document_view *doc_view, int type, int overlap)
{
assert(ses && doc_view && doc_view->vs);
if_assert_failed return;
@ -134,7 +147,8 @@ move_up(struct session *ses, struct document_view *doc_view, int type)
if (doc_view->vs->y == 0) return;
doc_view->vs->y -= doc_view->box.height;
doc_view->vs->y -= (doc_view->box.height - overlap);
int_lower_bound(&doc_view->vs->y, 0);
if (current_link_is_visible(doc_view))
@ -149,18 +163,29 @@ move_up(struct session *ses, struct document_view *doc_view, int type)
}
enum frame_event_status
move_page_up(struct session *ses, struct document_view *doc_view)
move_part_page_up(struct session *ses, struct document_view *doc_view, int overlap)
{
int oldy = doc_view->vs->y;
int count = eat_kbd_repeat_count(ses);
ses->navigate_mode = NAVIGATE_LINKWISE;
do move_up(ses, doc_view, 0); while (--count > 0);
do move_up(ses, doc_view, 0, overlap); while (--count > 0);
return doc_view->vs->y == oldy ? FRAME_EVENT_OK : FRAME_EVENT_REFRESH;
}
enum frame_event_status
move_page_up(struct session *ses, struct document_view *doc_view)
{
return move_part_page_up(ses, doc_view, 0);
}
enum frame_event_status
move_half_page_up(struct session *ses, struct document_view *doc_view)
{
return move_part_page_up(ses, doc_view, doc_view->box.height / 2);
}
enum frame_event_status
move_link(struct session *ses, struct document_view *doc_view, int direction,
@ -216,9 +241,9 @@ move_link(struct session *ses, struct document_view *doc_view, int direction,
doc_view->vs->current_link = current_link;
if (direction > 0) {
move_down(ses, doc_view, 1);
move_down(ses, doc_view, 1, 0);
} else {
move_up(ses, doc_view, 1);
move_up(ses, doc_view, 1, 0);
}
if (current_link != wraparound_bound
@ -250,9 +275,9 @@ move_link_dir(struct session *ses, struct document_view *doc_view, int dir_x, in
/* FIXME: This won't preserve the column! */
if (dir_y > 0)
move_down(ses, doc_view, 1);
move_down(ses, doc_view, 1, 0);
else if (dir_y < 0)
move_up(ses, doc_view, 1);
move_up(ses, doc_view, 1, 0);
if (dir_y && current_link != doc_view->vs->current_link) {
set_textarea(doc_view, -dir_y);

2
src/viewer/text/view.h
View File

@ -15,7 +15,9 @@ struct terminal;
void detach_formatted(struct document_view *doc_view);
enum frame_event_status move_page_down(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_half_page_down(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_page_up(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_half_page_up(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_link(struct session *ses, struct document_view *doc_view,
int direction, int wraparound_bound, int wraparound_link);