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move-link-prev-line .. move-link-down-line: Fixed.

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Witold Filipczyk 2007-08-19 13:58:30 +02:00 committed by Witold Filipczyk
parent 3555f68059
commit bb0166279f
2 changed files with 205 additions and 120 deletions
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313
src/viewer/text/view.c
View File

@ -60,9 +60,6 @@
#include "viewer/text/view.h"
#include "viewer/text/vs.h"
static enum frame_event_status move_cursor_rel(struct session *ses, struct document_view *view, int rx, int ry);
void
detach_formatted(struct document_view *doc_view)
{
@ -164,102 +161,6 @@ move_page_up(struct session *ses, struct document_view *doc_view)
return doc_view->vs->y == oldy ? FRAME_EVENT_OK : FRAME_EVENT_REFRESH;
}
enum frame_event_status
move_link_prev_line(struct session *ses, struct document_view *doc_view)
{
struct view_state *vs;
struct document *document;
struct box *box;
struct link *link, *last = NULL;
int y1, y, min_x, max_x, x1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
if (!document->lines1) return FRAME_EVENT_OK;
box = &doc_view->box;
y = y1 = vs->y + ses->tab->y - box->y;
x1 = vs->x + ses->tab->x - box->x;
link = get_current_link(doc_view);
if (link) {
get_link_x_bounds(link, y1, &min_x, &max_x);
} else {
min_x = max_x = x1;
}
int_upper_bound(&y, document->height - 1);
for (; y >= 0; y--, min_x = INT_MAX) {
link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
if (link->points[0].y != y) continue;
if (link->points[0].x >= min_x) continue;
if (!last) last = link;
else if (link->points[0].x > last->points[0].x) last = link;
}
if (last) {
enum frame_event_status status = move_cursor_rel(ses, doc_view,
last->points[0].x - x1, last->points[0].y - y1);
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
return FRAME_EVENT_OK;
}
enum frame_event_status
move_link_next_line(struct session *ses, struct document_view *doc_view)
{
struct view_state *vs;
struct document *document;
struct box *box;
struct link *link, *last = NULL;
int y1, y, min_x, max_x, x1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
if (!document->lines1) return FRAME_EVENT_OK;
box = &doc_view->box;
y = y1 = vs->y + ses->tab->y - box->y;
x1 = vs->x + ses->tab->x - box->x;
link = get_current_link(doc_view);
if (link) {
get_link_x_bounds(link, y1, &min_x, &max_x);
} else {
min_x = max_x = x1;
}
int_upper_bound(&y, document->height - 1);
for (; y < document->height; y++, min_x = -1) {
link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
if (link->points[0].y != y) continue;
if (link->points[0].x <= min_x) continue;
if (!last) last = link;
else if (link->points[0].x < last->points[0].x) last = link;
}
if (last) {
enum frame_event_status status = move_cursor_rel(ses, doc_view,
last->points[0].x - x1, last->points[0].y - y1);
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
return FRAME_EVENT_OK;
}
enum frame_event_status
move_link(struct session *ses, struct document_view *doc_view, int direction,
@ -692,40 +593,226 @@ move_cursor_down(struct session *ses, struct document_view *view)
}
enum frame_event_status
move_link_vertical(struct session *ses, struct document_view *doc_view, int dir_y)
move_link_up_line(struct session *ses, struct document_view *doc_view)
{
struct document *document;
struct view_state *vs;
struct box *box;
int y, y1;
int min_y, y, y1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
if (!document->lines1) return FRAME_EVENT_OK;
box = &doc_view->box;
y1 = vs->y + ses->tab->y - box->y;
y = y1 + dir_y;
if (dir_y < 0)
int_upper_bound(&y, document->height - 1);
else
int_lower_bound(&y, 0);
for (; dir_y > 0 ? y < document->height : y >= 0; y += dir_y) {
if (!document->lines1) {
if (vs->y) {
vs->y -= box->height;
int_lower_bound(&vs->y, 0);
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}
min_y = vs->y - box->height;
int_lower_bound(&min_y, 0);
y1 = y = vs->y + ses->tab->y - box->y;
for (y--; y >= min_y; y--) {
struct link *link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
if (link->points[0].y == y) {
enum frame_event_status status = move_cursor_rel(ses,
doc_view, 0, y - y1);
enum frame_event_status status;
if (link->points[0].y != y) continue;
if (y < vs->y) {
int mini = int_min(box->height, vs->y);
vs->y -= mini;
y += mini;
}
status = move_cursor_rel(ses, doc_view, 0, y - y1);
if (link == get_current_link(doc_view))
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
if (vs->y) {
vs->y -= box->height;
int_lower_bound(&vs->y, 0);
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}
enum frame_event_status
move_link_down_line(struct session *ses, struct document_view *doc_view)
{
struct document *document;
struct view_state *vs;
struct box *box;
int max_y, y, y1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
box = &doc_view->box;
if (!document->lines1) {
if (vs->y + box->height < document->height) {
vs->y += box->height;
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}
max_y = vs->y + box->height * 2 - 1;
int_upper_bound(&max_y, document->height - 1);
y1 = y = vs->y + ses->tab->y - box->y;
for (y++; y <= max_y; y++) {
struct link *link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
enum frame_event_status status;
if (link->points[0].y != y) continue;
if (y >= vs->y + box->height) {
int mini = int_min(box->height, document->height - vs->y - 1);
vs->y += mini;
y -= mini;
}
status = move_cursor_rel(ses, doc_view, 0, y - y1);
if (link == get_current_link(doc_view))
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
if (vs->y + box->height < document->height) {
vs->y += box->height;
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}
enum frame_event_status
move_link_prev_line(struct session *ses, struct document_view *doc_view)
{
struct view_state *vs;
struct document *document;
struct box *box;
struct link *link, *last = NULL;
int y1, y, min_y, min_x, max_x, x1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
if (!document->lines1) return FRAME_EVENT_OK;
box = &doc_view->box;
y = y1 = vs->y + ses->tab->y - box->y;
x1 = vs->x + ses->tab->x - box->x;
link = get_current_link(doc_view);
if (link) {
get_link_x_bounds(link, y1, &min_x, &max_x);
} else {
min_x = max_x = x1;
}
int_upper_bound(&y, document->height - 1);
min_y = int_min(0, vs->y - box->height);
for (; y >= min_y; y--, min_x = INT_MAX) {
link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
if (link->points[0].y != y) continue;
if (link->points[0].x >= min_x) continue;
if (!last) last = link;
else if (link->points[0].x > last->points[0].x) last = link;
}
if (last) {
enum frame_event_status status;
y = last->points[0].y;
if (y < vs->y) {
int mini = int_min(box->height, vs->y);
vs->y -= mini;
y += mini;
}
status = move_cursor_rel(ses, doc_view, last->points[0].x - x1, y - y1);
if (link == get_current_link(doc_view))
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
if (vs->y) {
vs->y -= box->height;
int_lower_bound(&vs->y, 0);
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}
enum frame_event_status
move_link_next_line(struct session *ses, struct document_view *doc_view)
{
struct view_state *vs;
struct document *document;
struct box *box;
struct link *link, *last = NULL;
int y1, y, max_y, min_x, max_x, x1;
assert(ses && doc_view && doc_view->vs && doc_view->document);
if_assert_failed return FRAME_EVENT_OK;
vs = doc_view->vs;
document = doc_view->document;
if (!document->lines1) return FRAME_EVENT_OK;
box = &doc_view->box;
y = y1 = vs->y + ses->tab->y - box->y;
x1 = vs->x + ses->tab->x - box->x;
link = get_current_link(doc_view);
if (link) {
get_link_x_bounds(link, y1, &min_x, &max_x);
} else {
min_x = max_x = x1;
}
int_upper_bound(&y, document->height - 1);
max_y = int_min(vs->y + 2 * box->height - 1, document->height - 1);
for (; y <= max_y; y++, min_x = -1) {
link = document->lines1[y];
if (!link) continue;
for (; link <= document->lines2[y]; link++) {
if (link->points[0].y != y) continue;
if (link->points[0].x <= min_x) continue;
if (!last) last = link;
else if (link->points[0].x < last->points[0].x) last = link;
}
if (last) {
enum frame_event_status status;
y = last->points[0].y;
if (y >= vs->y + box->height) {
int mini = int_min(box->height, document->height - vs->y - 1);
vs->y += mini;
y -= mini;
}
status = move_cursor_rel(ses, doc_view, last->points[0].x - x1, y - y1);
if (link == get_current_link(doc_view))
ses->navigate_mode = NAVIGATE_LINKWISE;
return status;
}
}
if (vs->y + box->height < document->height) {
vs->y += box->height;
return FRAME_EVENT_REFRESH;
}
return FRAME_EVENT_OK;
}

6
src/viewer/text/view.h
View File

@ -32,10 +32,8 @@ enum frame_event_status move_link_dir(struct session *ses, struct document_view
enum frame_event_status move_link_prev_line(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_link_next_line(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_link_vertical(struct session *ses, struct document_view *doc_view, int dir_y);
#define move_link_up_line(ses, doc_view) move_link_vertical(ses, doc_view, -1)
#define move_link_down_line(ses, doc_view) move_link_vertical(ses, doc_view, 1)
enum frame_event_status move_link_up_line(struct session *ses, struct document_view *doc_view);
enum frame_event_status move_link_down_line(struct session *ses, struct document_view *doc_view);
enum frame_event_status scroll_up(struct session *ses, struct document_view *doc_view);
enum frame_event_status scroll_down(struct session *ses, struct document_view *doc_view);