/* place the cursor according to the screen coordinates in view->{row,col} and
* fire user callback. if a selection is active, redraw the view to reflect
* its changes. */
static size_t view_cursor_update(View *view) {
Cursor *cursor = &view->cursor;
if (view->sel.start != EPOS) {
view->sel.end = cursor->pos;
view_draw(view);
} else if (view->ui && view->syntax) {
size_t pos = cursor->pos;
size_t pos_match = text_bracket_match_except(view->text, pos, "<>");
if (pos != pos_match && view->start <= pos_match && pos_match < view->end) {
if (cursor->highlighted)
view_draw(view); /* clear active highlighting */
cursor->pos = pos_match;
view_cursor_sync(view);
cursor->line->cells[cursor->col].attr |= A_REVERSE;
cursor->pos = pos;
view_cursor_sync(view);
view->ui->draw_text(view->ui, view->topline);
cursor->highlighted = true;
} else if (cursor->highlighted) {
cursor->highlighted = false;
view_draw(view);
}
}
if (cursor->pos != cursor->lastpos)
cursor->lastcol = 0;
cursor->lastpos = cursor->pos;
if (view->ui)
view->ui->cursor_to(view->ui, cursor->col, cursor->row);
return cursor->pos;
}
static void windows_invalidate(Vis *vis, size_t start, size_t end) {
for (Win *win = vis->windows; win; win = win->next) {
if (vis->win != win && vis->win->file == win->file) {
Filerange view = view_viewport_get(win->view);
if ((view.start <= start && start <= view.end) ||
(view.start <= end && end <= view.end))
view_draw(win->view);
}
}
view_draw(vis->win->view);
}
static void ui_window_focus(UiWin *w) {
UiCursesWin *win = (UiCursesWin*)w;
UiCursesWin *oldsel = win->ui->selwin;
win->ui->selwin = win;
if (oldsel) {
view_draw(oldsel->view);
ui_window_draw((UiWin*)oldsel);
}
view_draw(win->view);
ui_window_draw(w);
}
/* move the cursor to the character at pos bytes from the begining of the file.
* if pos is not in the current viewport, redraw the view to make it visible */
void view_cursor_to(View *view, size_t pos) {
size_t max = text_size(view->text);
if (pos > max)
pos = max > 0 ? max - 1 : 0;
if (pos == max && view->end != max) {
/* do not display an empty screen when shoviewg the end of the file */
view->start = max - 1;
view_viewport_up(view, view->height / 2);
} else {
/* set the start of the viewable region to the start of the line on which
* the cursor should be placed. if this line requires more space than
* available in the view then simply start displaying text at the new
* cursor position */
for (int i = 0; i < 2 && (pos < view->start || pos > view->end); i++) {
view->start = i == 0 ? text_line_begin(view->text, pos) : pos;
view_draw(view);
}
}
view->cursor.pos = pos;
view_cursor_sync(view);
view_cursor_update(view);
}
void view_selection_set(View *view, Filerange *sel) {
Cursor *cursor = &view->cursor;
view->sel = *sel;
view_draw(view);
if (view->ui)
view->ui->cursor_to(view->ui, cursor->col, cursor->row);
}
void view_loop_draw(int tick)
{
if (tick<view.time.draw_tick) return;
view.time.draw_tick=tick+view.time.draw_time;
// texture setup
map_setup_animated_textures(&map,tick);
map_mesh_poly_run_shifts(&map,tick);
// start frame
if (!fog_solid_on()) {
gl_frame_start(NULL);
}
else {
gl_frame_start(&map.fog.col); // is obscuring fog on, then background = fog color
}
// draw frame
view_draw(tick);
hud_draw(tick);
radar_draw(tick);
network_draw(tick);
gl_frame_end();
view.fps.count++;
}
void view_capture_draw(char *path)
{
int tick;
tick=game_time_get();
gl_frame_start(NULL);
view_draw(tick);
gl_screen_shot(render_info.view_x,render_info.view_y,setup.screen.x_sz,setup.screen.y_sz,TRUE,path);
}
static void view_draw_bottom(TEXT_BUFFER_VIEW_REC *view, int lines)
{
LINE_REC *line;
int ypos, maxline, subline, linecount;
maxline = view->height-lines;
line = view->startline; ypos = -view->subline; subline = 0;
while (line != NULL && ypos < maxline) {
linecount = view_get_linecount(view, line);
ypos += linecount;
if (ypos > maxline) {
subline = maxline-(ypos-linecount);
break;
}
line = line->next;
}
view_draw(view, line, subline, maxline, lines, TRUE);
}
GLvoid draw_gl(GLvoid) {
view_draw(view_main);
glutSwapBuffers();
}
void view_selection_clear(View *view) {
view->sel = text_range_empty();
view_draw(view);
view_cursor_update(view);
}
void view_tabwidth_set(View *view, int tabwidth) {
view->tabwidth = tabwidth;
view_draw(view);
}
