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Use argument to select between two drag methods

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This commit is contained in:
phi
2018-01-12 20:39:46 +08:00
committed by Bert Münnich
parent 8017b75de4
commit d5c5708110
4 changed files with 22 additions and 8 deletions
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21
commands.c
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@ -321,9 +321,9 @@ bool ci_scroll_to_edge(arg_t dir)
return img_pan_edge(&img, dir);
}
bool ci_drag(arg_t _)
bool ci_drag(arg_t mode)
{
int x, y;
int x, y, ox, oy;
float px, py;
XEvent e;
@ -333,12 +333,19 @@ bool ci_drag(arg_t _)
win_set_cursor(&win, CURSOR_DRAG);
win_cursor_pos(&win, &x, &y);
ox = x;
oy = y;
for (;;) {
px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
* (win.w - img.w * img.zoom);
py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
* (win.h - img.h * img.zoom);
if (mode == DRAG_ABSOLUTE) {
px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
* (win.w - img.w * img.zoom);
py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
* (win.h - img.h * img.zoom);
} else {
px = img.x + x - ox;
py = img.y + y - oy;
}
if (img_pos(&img, px, py)) {
img_render(&img);
@ -349,6 +356,8 @@ bool ci_drag(arg_t _)
if (e.type == ButtonPress || e.type == ButtonRelease)
break;
while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e));
ox = x;
oy = y;
x = e.xmotion.x;
y = e.xmotion.y;
}