int draw_string_width(int x, int y, const unsigned char * our_string, int max_width, int max_lines)
{
return draw_string_zoomed_width (x, y, our_string, max_width, max_lines, 1.0f);
}
int draw_string_zoomed (int x, int y, const unsigned char * our_string, int max_lines, float text_zoom)
{
return draw_string_zoomed_width (x, y, our_string, window_width, max_lines, text_zoom);
}
/* Access the caught url list and display in a scrollable window. */
static int display_url_handler(window_info *win)
{
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
url_win_hover_url = NULL;
/* save current position so K_WINDOWS_ON_TOP restores to where its been moved */
url_win_x = win->cur_x;
url_win_y = win->cur_y;
glEnable(GL_TEXTURE_2D);
set_font(0);
/* check for external state change */
if (!have_url_count && !url_win_status)
url_win_status = URLW_EMPTY;
/* if we have a status message, display it */
if (url_win_status)
{
char *message[] = { urlcmd_none_str, urlwin_clear_str, urlwin_open_str };
int y_start = (url_win_text_start_y - 0.75 * url_win_text_zoom * DEFAULT_FONT_Y_LEN)/2;
glColor3f(1.0f,1.0f,1.0f);
draw_string_zoomed(url_win_help_x, y_start, (unsigned char *)message[url_win_status-1], 1, 0.75 * url_win_text_zoom);
url_win_status = (have_url_count) ?0 :URLW_EMPTY;
}
/* display a page of url */
if (have_url_count)
{
list_node_t *local_head = newest_url;
int currenty = url_win_text_start_y;
int start_url = 0;
int num_url_displayed = 0;
/* don't scroll if everything will fit in the window, also catch if the list has been cleared via #url */
if (((url_win_line_step * have_url_count) <= url_win_text_len_y) || (url_win_top_line > have_url_count))
url_win_top_line = 0;
/* move to the first url to be displayed - set from the scroll bar */
while (start_url < url_win_top_line && local_head->next != NULL)
{
local_head = local_head->next;
start_url++;
}
/* loop over the remaining URLs while there is room in the window */
while (local_head != NULL)
{
char *thetext = ((URLDATA *)local_head->data)->text;
int dsp_string_len = 0;
float string_width = 0;
int highlight_url = 0;
/* stop now if the url line will not fit into the window */
if (((currenty - url_win_text_start_y) + url_win_line_step) > url_win_text_len_y)
break;
/* highlight the active (F2) url */
if (local_head == active_url)
glColor3f(0.0f,1.0f,0.0f);
else
glColor3f(1.0f,1.0f,1.0f);
/* calculate the length of string we can display */
while((*thetext != '\0') && (string_width < url_win_max_string_width))
{
float char_width = get_char_width(*thetext++) * url_win_text_zoom * DEFAULT_FONT_X_LEN / 12.0;
if ((string_width+char_width) < url_win_max_string_width)
{
dsp_string_len++;
string_width += char_width;
}
}
/* if the string length will fit in the window, just draw it */
if (dsp_string_len == strlen(((URLDATA *)local_head->data)->text))
draw_string_zoomed(url_win_sep, currenty, (unsigned char *)((URLDATA *)local_head->data)->text, 1, url_win_text_zoom);
/* otherwise, draw a truncated version with "..." at the end */
else
{
//float toobig_width = (get_char_width('-') + get_char_width('>'))
// * url_win_text_zoom * DEFAULT_FONT_X_LEN / 12.0;
float toobig_width = (3*get_char_width('.'))
* url_win_text_zoom * DEFAULT_FONT_X_LEN / 12.0;
draw_string_zoomed_width(url_win_sep, currenty, (unsigned char *)((URLDATA *)local_head->data)->text,
url_win_sep + url_win_max_string_width - toobig_width, 1, url_win_text_zoom);
draw_string_zoomed(url_win_sep + url_win_max_string_width - toobig_width, currenty,
(unsigned char *)"..." , 1, url_win_text_zoom);
}
/* step down a line, do it now as the maths for mouse over below is easier */
currenty += url_win_line_step;
/* if the mouse is over the current line, hightlight it */
if ((mouse_y >= win->cur_y + currenty - url_win_line_step) &&
(mouse_y < win->cur_y + currenty) &&
(mouse_x >= win->cur_x + (int)url_win_sep) &&
(mouse_x - (int)url_win_sep <= win->cur_x + url_win_max_string_width))
{
/* remember which url we're over in case it's clicked */
url_win_hover_url = local_head;
highlight_url = 1;
}
/* if a context menu is open, only hightlight the last URL hovered over before the context opened */
if (cm_window_shown() != CM_INIT_VALUE)
{
if (cm_url == local_head)
highlight_url = 1;
else
highlight_url = 0;
}
else
cm_url = NULL;
/* if mouse over or context activated, highlight the current URL */
if (highlight_url)
{
char *help_substring = NULL;
size_t help_substring_len = 0;
int dsp_start = 0;
int helpline = 0;
Uint32 currenttime = SDL_GetTicks();
size_t full_help_len = strlen(((URLDATA *)local_head->data)->text) + 30;
char *full_help_text = (char *)malloc(sizeof(char) * full_help_len);
/* display the mouse over help next time round */
url_win_status = URLW_OVER;
/* underline the text, just clicked links are red, otherwise blue - paler when visited */
if ((currenttime - url_win_clicktime < 500) && (url_win_clicked_url == url_win_hover_url))
glColor3f(1.0f,0.0f,0.3f);
else if (((URLDATA *)local_head->data)->visited)
glColor3f(0.3f,0.5f,1.0f);
else
glColor3f(0.1f,0.2f,1.0f);
glDisable(GL_TEXTURE_2D);
glBegin(GL_LINES);
glVertex2i(url_win_sep, currenty-2);
glVertex2i(url_win_sep+string_width, currenty-2);
glEnd();
glEnable(GL_TEXTURE_2D);
/* write the full url as help text at the bottom of the window */
safe_snprintf(full_help_text, full_help_len, "%s (seen %d time%s) (%s)",
((URLDATA *)local_head->data)->text, ((URLDATA *)local_head->data)->seen_count,
((URLDATA *)local_head->data)->seen_count == 1?"":"s", ((((URLDATA *)local_head->data)->visited)?"visited":"unvisited"));
thetext = full_help_text;
dsp_string_len = 0;
string_width = 0;
while(*thetext != '\0')
{
float char_width = get_char_width(*thetext++) * SMALL_FONT_X_LEN / 12.0;
if (((string_width+char_width) > (win->len_x - 2*url_win_sep)) || (*thetext == '\0'))
{
if (*thetext == '\0') /* catch the last line */
dsp_string_len++;
if (help_substring_len < dsp_string_len)
{
if (help_substring != NULL)
free(help_substring);
help_substring = (char *)malloc(sizeof(char)*(dsp_string_len+1));
help_substring_len = dsp_string_len;
}
strncpy(help_substring, &full_help_text[dsp_start], dsp_string_len);
help_substring[dsp_string_len] = '\0';
show_help(help_substring, url_win_sep, (url_win_y_len - url_win_full_url_y_len) + helpline++ * SMALL_FONT_Y_LEN);
dsp_start += dsp_string_len;
dsp_string_len = 0;
string_width = 0;
}
dsp_string_len++;
string_width += char_width;
}
free(help_substring);
free(full_help_text);
} /* end if mouse over url */
/* count how many displayed so we can set the scroll bar properly */
num_url_displayed++;
local_head = local_head->next;
}
/* set the number of steps for the scroll bar */
vscrollbar_set_bar_len(url_win, url_scroll_id, have_url_count - num_url_displayed);
} /* end if have url */
/* draw a line below the list of url, above the current url full text */
glColor3f(0.77f,0.59f,0.39f);
glDisable(GL_TEXTURE_2D);
glBegin(GL_LINES);
glVertex2i(0, url_win_url_y_start);
glVertex2i(url_win_x_len+1, url_win_url_y_start);
glEnd();
glEnable(GL_TEXTURE_2D);
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
return 1;
} /* end display_url_handler() */