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smooth movement

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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@587 b9cfdab3-6d41-4d17-bbe4-086880011989
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Nishi 2025-11-04 01:52:44 +00:00
commit 83340f95a2
19 changed files with 79 additions and 35 deletions
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60
src/widget/viewport.c
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@ -3,28 +3,20 @@
static void vscroll_changed(MwWidget handle, void* user, void* call) {
MwViewport vp = user;
int v = MwGetInteger(handle, MwNvalue);
int mv = MwGetInteger(handle, MwNmaxValue);
int l = MwGetInteger(vp->frame, MwNheight);
v = (mv - l) * (double)v / mv;
(void)handle;
(void)call;
if(v < 0) v = 0;
MwVaApply(vp->inframe,
MwNy, -v,
NULL);
vp->vchanged = 1;
}
static void hscroll_changed(MwWidget handle, void* user, void* call) {
MwViewport vp = user;
int v = MwGetInteger(handle, MwNvalue);
int mv = MwGetInteger(handle, MwNmaxValue);
int l = MwGetInteger(vp->frame, MwNwidth);
v = (mv - l) * (double)v / mv;
(void)handle;
(void)call;
if(v < 0) v = 0;
MwVaApply(vp->inframe,
MwNx, -v,
NULL);
vp->hchanged = 1;
}
static void resize(MwWidget handle) {
@ -91,6 +83,9 @@ static int create(MwWidget handle) {
MwSetDefault(handle);
vp->vchanged = 0;
vp->hchanged = 0;
resize(handle);
return 0;
@ -146,6 +141,37 @@ static void func_handler(MwWidget handle, const char* name, void* out, va_list v
}
}
static void tick(MwWidget handle){
MwViewport vp = handle->internal;
if(vp->vchanged){
vp->vchanged = 0;
int v = MwGetInteger(vp->vscroll, MwNvalue);
int mv = MwGetInteger(vp->vscroll, MwNmaxValue);
int l = MwGetInteger(vp->frame, MwNheight);
v = (mv - l) * (double)v / mv;
if(v < 0) v = 0;
MwVaApply(vp->inframe,
MwNy, -v,
NULL);
}
if(vp->hchanged){
vp->vchanged = 0;
int v = MwGetInteger(vp->hscroll, MwNvalue);
int mv = MwGetInteger(vp->hscroll, MwNmaxValue);
int l = MwGetInteger(vp->frame, MwNwidth);
v = (mv - l) * (double)v / mv;
if(v < 0) v = 0;
MwVaApply(vp->inframe,
MwNx, -v,
NULL);
}
}
MwClassRec MwViewportClassRec = {
create, /* create */
destroy, /* destroy */
@ -158,7 +184,7 @@ MwClassRec MwViewportClassRec = {
NULL, /* mouse_down */
NULL, /* key */
func_handler, /* execute */
NULL,
tick, /* tick */
NULL,
NULL,
NULL};