int Start_mouse_in_menu(void)
{
Set_mouse_xy((VIEW_MENU->left + 2 * VIEW_MENU->right) / 3,
(VIEW_MENU->top + VIEW_MENU->bottom) / 2);
return 0;
}
/*---------------------------------------------------------------
*/
static int do_warp(void)
{
static int use = 1;
int x, y;
static Objects objects[] = {
MENU("RASTER REDRAW", rast_redraw, &use),
INFO("Overlay vectors on raster image? ", &use),
MENU("NO", no_warp, &use),
MENU("YES", warp, &use),
{0}
};
x = (SCREEN_LEFT + SCREEN_RIGHT) / 2;
y = SCREEN_BOTTOM;
Set_mouse_xy(x, y);
Input_pointer(objects);
return 1;
}
int ask_line_color(char *colors, int len1, char *xname, int position)
{
static int use = 1;
int pick();
static Objects objects[] = {
OTHER(pick, &use),
{0}
};
char msg[100];
int width;
int len2 = 0, len;
long offset;
long *page_offset;
int col, nlist;
int line;
int stat;
char buf[100];
int top, bottom, left, right, center;
int topx, bottomx, leftx, rightx, widthx;
char name[100], mapset[100], cur_mapset[100];
int new_mapset;
Menu_msg("");
sprintf(msg, "Double click on color to assign to vector layer");
/*
* build a popup window at center of the screen.
* 35% the height and wide enough to hold 2 columms of file names
*
* the window is for choosing file names and will be laid out in 2 columns
*
* ------------------------------------------
* | CANCEL | (MORE) | (LESS) |
* ------------------------------------------
* | mapset |
* ------------------------------------------
* | name1 | name2 |
* ------------------------------------------
* | name3 | name4 |
* ------------------------------------------
* | name5 | name6 |
* | . |
* | . |
* | . |
* ------------------------------------------
*/
/* height of 1 line, based on NLINES taking up 35% vertical space */
height = (.35 * (SCREEN_BOTTOM - SCREEN_TOP)) / NLINES + 1;
/* size of text, 80% of line height */
text_size = .8 * height;
size = text_size - 1; /* fudge for computing pixels width of text */
/* indent for the text */
edge = .1 * height + 1;
/* this is a fudge to determine the length of the largest text */
len1 = 2 * len1; /* name in 2 columns */
len2 += strlen("mapset ");
len = (len1 > len2 ? len1 : len2);
/* width is for max chars plus sidecar for more/less */
width = len * size + height;
widthx = strlen(msg) * size;
if (widthx < width)
widthx = width;
/* define the window */
top = (SCREEN_TOP + SCREEN_BOTTOM - height * NLINES) / 2;
bottom = top + height * NLINES;
center = (SCREEN_LEFT + SCREEN_RIGHT) / 2;
if (position > 0) {
right = (center + SCREEN_RIGHT + width) / 2;
if (right >= SCREEN_RIGHT)
right = SCREEN_RIGHT - 1;
left = right - width;
}
else if (position < 0) {
left = (center + SCREEN_LEFT - width) / 2;
if (left <= SCREEN_LEFT)
left = SCREEN_LEFT + 1;
right = left + width;
}
else {
left = center + width / 2;
right = left + width;
}
topx = top - 3 * height;
bottomx = topx + 2 * height;
leftx = (left + right - widthx) / 2;
if (leftx < SCREEN_LEFT)
leftx = SCREEN_LEFT;
rightx = leftx + widthx;
/* save what is under these areas, so they can be restored */
R_panel_save(tempfile1, top, bottom, left, right);
R_panel_save(tempfile2, topx, bottomx, leftx, rightx);
/* fill it top with GREY, pick area with white */
R_standard_color(WHITE);
R_box_abs(left, top, right, bottom);
R_standard_color(GREY);
R_box_abs(leftx, topx, rightx, bottomx);
R_standard_color(BLACK);
Outline_box(top, bottom, left, right);
right -= height; /* reduce it to exclude sidecar */
Outline_box(top, bottom, left, right);
/* print messages above the files */
dotext(msg, topx, topx + height, leftx, rightx, 1);
dotext("Double click here to cancel", topx + height, bottomx, leftx,
rightx, 1);
cancel.top = topx;
cancel.bottom = bottomx;
cancel.left = leftx;
cancel.right = rightx;
/* start the mouse in the cancel box */
Set_mouse_xy((leftx + rightx) / 2, (topx + bottomx) / 2);
dobox(&less, "", WHITE, top, right, right + height, 0);
dobox(&more, "", WHITE, bottom - height, right, right + height, 0);
/* as we read the file of names, keep track of pages so we can
* page backward
*/
page = 0;
page_offset = (long *)G_calloc(npages = 1, sizeof(long));
*page_offset = ftell(fd);
nlist = sizeof(list) / sizeof(list[0]);
for (stat = -1; stat < 0;) {
line = 0;
count = 0;
*cur_mapset = 0;
col = 0;
while (1) {
/*
offset = ftell (fd);
if (fgets (buf, sizeof buf, fd) == NULL
|| sscanf (buf, "%s %s", name, mapset) != 2)
break;
if(new_mapset = (strcmp (cur_mapset,mapset) != 0))
{
if(line) line++;
if (col) line++;
col = 0;
}
if (count >= nlist || line+new_mapset >= NLINES)
{
if (page+1 == npages)
{
npages++;
page_offset = (long *) G_realloc (page_offset, npages * sizeof (long));
page_offset[npages-1] = offset;
}
break;
}
if (new_mapset)
{
struct box dummy;
char label[100];
strcpy (cur_mapset, mapset);
sprintf (label, "Mapset %s", mapset);
dobox (&dummy, label, WHITE, top+line*height, left, right, 0);
line++;
}
if (col)
{
dobox (&list[count].box, name, GREY, top+line*height, left+width/2, right, 0);
line++;
col = 0;
}
else
{
dobox (&list[count].box, name, GREY, top+line*height, left, left+width/2, 0);
col = 1;
}
strcpy (list[count].name, name);
strcpy (list[count].mapset, mapset);
count++;
}
downarrow (&more, page+1 < npages ? BLACK : WHITE);
uparrow (&less, page > 0 ? BLACK : WHITE);
which = -1;
switch(Input_pointer(objects))
{
case -1: /* more or less */
break;
case -2: /* cancel */
stat = 0;
continue;
default: /* file picked */
strcpy(xname, list[which].name);
stat = 1;
continue;
}
fseek(fd, page_offset[page], 0);
R_standard_color(WHITE);
R_box_abs(left + 1, top + 1, right - 1, bottom - 1);
}
/* all done. restore what was under the window */
right += height; /* move it back over the sidecar */
R_standard_color(WHITE);
R_box_abs(left, top, right, bottom);
R_panel_restore(tempfile1);
R_panel_restore(tempfile2);
R_panel_delete(tempfile1);
R_panel_delete(tempfile2);
R_flush();
G_free(page_offset);
return stat;
}