dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

(svn r6036) -Codechange: do not handle SCROLL in a central function, but let windows handle them theirself. Added WE_SCROLL for this.

Browse Source
This commit is contained in:
truelight
2006-08-21 14:34:59 +00:00
parent 323a3160f7
commit 9ec2fdcbf3
4 changed files with 103 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
main_gui.c
View File

@@ -2317,6 +2317,18 @@ static void MainWindowWndProc(Window *w, WindowEvent *e)
}
e->keypress.cont = false;
break;
case WE_SCROLL: {
ViewPort *vp = IsPtInWindowViewport(w, _cursor.pos.x, _cursor.pos.y);
if (vp == NULL) {
_cursor.fix_at = false;
_scrolling_viewport = false;
}
WP(w, vp_d).scrollpos_x += e->scroll.delta.x << vp->zoom;
WP(w, vp_d).scrollpos_y += e->scroll.delta.y << vp->zoom;
} break;
}
}

73
smallmap_gui.c
View File

@@ -882,6 +882,67 @@ static void SmallMapWindowProc(Window *w, WindowEvent *e)
/* update the window every now and then */
if ((++w->vscroll.pos & 0x1F) == 0) SetWindowDirty(w);
break;
case WE_SCROLL: {
int x;
int y;
int sub;
int hx;
int hy;
int hvx;
int hvy;
_cursor.fix_at = true;
x = WP(w, smallmap_d).scroll_x;
y = WP(w, smallmap_d).scroll_y;
sub = WP(w, smallmap_d).subscroll + e->scroll.delta.x;
x -= (sub >> 2) << 4;
y += (sub >> 2) << 4;
sub &= 3;
x += (e->scroll.delta.y >> 1) << 4;
y += (e->scroll.delta.y >> 1) << 4;
if (e->scroll.delta.y & 1) {
x += TILE_SIZE;
sub += 2;
if (sub > 3) {
sub -= 4;
x -= TILE_SIZE;
y += TILE_SIZE;
}
}
hx = (w->widget[4].right - w->widget[4].left) / 2;
hy = (w->widget[4].bottom - w->widget[4].top ) / 2;
hvx = hx * -4 + hy * 8;
hvy = hx * 4 + hy * 8;
if (x < -hvx) {
x = -hvx;
sub = 0;
}
if (x > (int)MapMaxX() * TILE_SIZE - hvx) {
x = MapMaxX() * TILE_SIZE - hvx;
sub = 0;
}
if (y < -hvy) {
y = -hvy;
sub = 0;
}
if (y > (int)MapMaxY() * TILE_SIZE - hvy) {
y = MapMaxY() * TILE_SIZE - hvy;
sub = 0;
}
WP(w, smallmap_d).scroll_x = x;
WP(w, smallmap_d).scroll_y = y;
WP(w, smallmap_d).subscroll = sub;
SetWindowDirty(w);
} break;
}
}
@@ -979,6 +1040,18 @@ static void ExtraViewPortWndProc(Window *w, WindowEvent *e)
w->viewport->virtual_width += e->sizing.diff.x;
w->viewport->virtual_height += e->sizing.diff.y;
break;
case WE_SCROLL: {
ViewPort *vp = IsPtInWindowViewport(w, _cursor.pos.x, _cursor.pos.y);
if (vp == NULL) {
_cursor.fix_at = false;
_scrolling_viewport = false;
}
WP(w, vp_d).scrollpos_x += e->scroll.delta.x << vp->zoom;
WP(w, vp_d).scrollpos_y += e->scroll.delta.y << vp->zoom;
} break;
}
}

91
window.c
View File

@@ -1146,99 +1146,30 @@ static bool HandleScrollbarScrolling(void)
static bool HandleViewportScroll(void)
{
WindowEvent we;
Window *w;
int dx;
int dy;
if (!_scrolling_viewport) return true;
if (!_right_button_down) {
stop_capt:;
w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
if (!_right_button_down || w == NULL) {
_cursor.fix_at = false;
_scrolling_viewport = false;
return true;
}
w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
if (w == NULL) goto stop_capt;
if (_patches.reverse_scroll) {
dx = -_cursor.delta.x;
dy = -_cursor.delta.y;
we.scroll.delta.x = -_cursor.delta.x;
we.scroll.delta.y = -_cursor.delta.y;
} else {
dx = _cursor.delta.x;
dy = _cursor.delta.y;
we.scroll.delta.x = _cursor.delta.x;
we.scroll.delta.y = _cursor.delta.y;
}
if (w->window_class != WC_SMALLMAP) {
ViewPort *vp = IsPtInWindowViewport(w, _cursor.pos.x, _cursor.pos.y);
if (vp == NULL)
goto stop_capt;
WP(w,vp_d).scrollpos_x += dx << vp->zoom;
WP(w,vp_d).scrollpos_y += dy << vp->zoom;
} else {
int x;
int y;
int sub;
int hx;
int hy;
int hvx;
int hvy;
_cursor.fix_at = true;
x = WP(w,smallmap_d).scroll_x;
y = WP(w,smallmap_d).scroll_y;
sub = WP(w,smallmap_d).subscroll + dx;
x -= (sub >> 2) << 4;
y += (sub >> 2) << 4;
sub &= 3;
x += (dy >> 1) << 4;
y += (dy >> 1) << 4;
if (dy & 1) {
x += TILE_SIZE;
sub += 2;
if (sub > 3) {
sub -= 4;
x -= TILE_SIZE;
y += TILE_SIZE;
}
}
hx = (w->widget[4].right - w->widget[4].left) / 2;
hy = (w->widget[4].bottom - w->widget[4].top ) / 2;
hvx = hx * -4 + hy * 8;
hvy = hx * 4 + hy * 8;
if (x < -hvx) {
x = -hvx;
sub = 0;
}
if (x > (int)MapMaxX() * TILE_SIZE - hvx) {
x = MapMaxX() * TILE_SIZE - hvx;
sub = 0;
}
if (y < -hvy) {
y = -hvy;
sub = 0;
}
if (y > (int)MapMaxY() * TILE_SIZE - hvy) {
y = MapMaxY() * TILE_SIZE - hvy;
sub = 0;
}
WP(w,smallmap_d).scroll_x = x;
WP(w,smallmap_d).scroll_y = y;
WP(w,smallmap_d).subscroll = sub;
SetWindowDirty(w);
}
/* Create a scroll-event and send it to the window */
we.event = WE_SCROLL;
w->wndproc(w, &we);
_cursor.delta.x = 0;
_cursor.delta.y = 0;

8
window.h
View File

@@ -136,6 +136,11 @@ union WindowEvent {
uint wparam; // additional message-specific information
uint lparam; // additional message-specific information
} message;
struct {
byte event;
Point delta; // delta position against position of last call
} scroll;
};
enum WindowKeyCodes {
@@ -506,7 +511,8 @@ enum WindowEvents {
WE_MOUSEOVER = 20,
WE_ON_EDIT_TEXT_CANCEL = 21,
WE_RESIZE = 22,
WE_MESSAGE = 23
WE_MESSAGE = 23,
WE_SCROLL = 24,
};