void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (fz_isstring(link->dest))
pdfapp_gotouri(app, link->dest);
if (fz_isindirect(link->dest))
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
}
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invert_matrix(ctm);
p = fz_transform_point(ctm, p);
for (link = app->page_links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (link->kind == PDF_LINK_URI)
pdfapp_gotouri(app, link->dest);
else if (link->kind == PDF_LINK_GOTO)
pdfapp_gotopage(app, fz_array_get(link->dest, 0)); /* [ pageobj ... ] */
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
app->beyondy = 0;
}
if (btn == 3 && !app->ispanning)
{
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
if (dir > 0)
app->resolution *= ZOOMSTEP;
else
app->resolution /= ZOOMSTEP;
if (app->resolution > MAXRES)
app->resolution = MAXRES;
if (app->resolution < MINRES)
app->resolution = MINRES;
pdfapp_showpage(app, 0, 1, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x;
app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x;
app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y;
app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y;
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
/* Scrolling beyond limits implies flipping pages */
/* Are we requested to scroll beyond limits? */
if (newy + app->image->h < app->winh || newy > 0)
{
/* Yes. We can assume that deltay != 0 */
int deltay = y - app->sely;
/* Check whether the panning has occured in the
* direction that we are already crossing the
* limit it. If not, we can conclude that we
* have switched ends of the page and will thus
* start over counting.
*/
if( app->beyondy == 0 || (app->beyondy ^ deltay) >= 0 )
{
/* Updating how far we are beyond and
* flipping pages if beyond threshhold
*/
app->beyondy += deltay;
if (app->beyondy > BEYOND_THRESHHOLD)
{
if( app->pageno > 1 )
{
app->pageno--;
pdfapp_showpage(app, 1, 1, 1);
newy = -app->image->h;
}
app->beyondy = 0;
}
else if (app->beyondy < -BEYOND_THRESHHOLD)
{
if( app->pageno < app->pagecount )
{
app->pageno++;
pdfapp_showpage(app, 1, 1, 1);
newy = 0;
}
app->beyondy = 0;
}
}
else
app->beyondy = 0;
}
/* Although at this point we've already determined that
* or that no scrolling will be performed in
* y-direction, the x-direction has not yet been taken
* care off. Therefore
*/
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x;
app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x;
app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y;
app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y;
winrepaint(app);
}
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (link->kind == PDF_LURI)
pdfapp_gotouri(app, link->dest);
else if (link->kind == PDF_LGOTO)
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
kno_clearselect(app); //code change by kakai
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
//Code change by Kakai
//Hit testing
kno_hitdata *hitdata = kno_gethitdata(app, x, y);
printf("hit test char is: %c\n", hitdata->ucs);
//Code change by Kakai
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
//code change by kakai
//IsHighlightable and selection testing
int closestx, closesty;
closestx = closesty = 0;
if (kno_ishighlightable(app, x, y, &closestx, &closesty) == 1)
kno_onselect(app); //code change by kakai
else
{
printf("x is %d\n", closestx);
printf("y is %d\n", closesty);
}
//code change by kakai
winrepaint(app);
}
}