viewport seems to work

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@275 b9cfdab3-6d41-4d17-bbe4-086880011989
This commit is contained in:
NishiOwO
2025-10-11 15:03:56 +00:00
parent bf78a98ac2
commit 8532ac96ec
12 changed files with 191 additions and 12 deletions

View File

@@ -32,6 +32,7 @@ static int calc_length(MwWidget handle) {
int max = MwScrollBarGetVisibleLength(handle);
int len = MwGetInteger(handle, MwNmaxValue) - MwGetInteger(handle, MwNminValue);
int area = MwGetInteger(handle, MwNareaShown);
if(area > MwGetInteger(handle, MwNmaxValue)) area = MwGetInteger(handle, MwNmaxValue);
return max * (double)area / len;
}
@@ -55,6 +56,7 @@ static void add_value(MwWidget handle, int mul) {
if(val > max) val = max;
MwSetInteger(handle, MwNvalue, val);
MwDispatchUserHandler(handle, MwNchangedHandler, NULL);
}
static void draw(MwWidget handle) {
@@ -151,6 +153,7 @@ static void mouse_move(MwWidget handle) {
if(len < 0) len = 0;
if(len > 1) len = 1;
MwSetInteger(handle, MwNvalue, (int)((max - min) * len - min));
MwDispatchUserHandler(handle, MwNchangedHandler, NULL);
MwForceRender(handle);
}

View File

@@ -1,9 +1,88 @@
/* $Id$ */
#include <Mw/Milsko.h>
typedef struct viewport {
MwWidget vscroll;
MwWidget hscroll;
MwWidget frame;
MwWidget inframe;
} viewport_t;
static void vscroll_changed(MwWidget handle, void* user, void* call) {
viewport_t* vp = user;
int v = MwGetInteger(handle, MwNvalue);
MwVaApply(vp->inframe,
MwNy, -v,
NULL);
}
static void hscroll_changed(MwWidget handle, void* user, void* call) {
viewport_t* vp = user;
int v = MwGetInteger(handle, MwNvalue);
MwVaApply(vp->inframe,
MwNx, -v,
NULL);
}
static void resize(MwWidget handle) {
viewport_t* vp = handle->internal;
int w = MwGetInteger(handle, MwNwidth);
int h = MwGetInteger(handle, MwNheight);
if(vp->vscroll == NULL) {
vp->vscroll = MwVaCreateWidget(MwScrollBarClass, "vscroll", handle, w - 16, 0, 16, h - 16, NULL);
MwAddUserHandler(vp->vscroll, MwNchangedHandler, vscroll_changed, vp);
} else {
MwVaApply(vp->vscroll,
MwNx, w - 16,
MwNy, 0,
MwNwidth, 16,
MwNheight, h - 16,
NULL);
}
if(vp->hscroll == NULL) {
vp->hscroll = MwVaCreateWidget(MwScrollBarClass, "hscroll", handle, 0, h - 16, w - 16, 16, MwNorientation, MwHORIZONTAL, NULL);
MwAddUserHandler(vp->hscroll, MwNchangedHandler, hscroll_changed, vp);
} else {
MwVaApply(vp->hscroll,
MwNx, 0,
MwNy, h - 16,
MwNwidth, w - 16,
MwNheight, 16,
NULL);
}
if(vp->frame == NULL) {
vp->frame = MwCreateWidget(MwFrameClass, "frame", handle, 0, 0, w - 16, h - 16);
} else {
MwVaApply(vp->frame,
MwNx, 0,
MwNy, 0,
MwNwidth, w - 16,
MwNheight, h - 16,
NULL);
}
if(vp->inframe == NULL) {
vp->inframe = MwCreateWidget(MwFrameClass, "inframe", vp->frame, 0, 0, w - 16, h - 16);
}
MwVaApply(vp->vscroll,
MwNareaShown, h - 16,
NULL);
MwVaApply(vp->hscroll,
MwNareaShown, w - 16,
NULL);
}
static int create(MwWidget handle) {
viewport_t* vp = malloc(sizeof(*vp));
memset(vp, 0, sizeof(*vp));
handle->internal = vp;
MwSetDefault(handle);
resize(handle);
return 0;
}
@@ -21,23 +100,47 @@ static void draw(MwWidget handle) {
MwLLFreeColor(base);
}
MwWidget MwViewportGetViewport(MwWidget widget) {
static void prop_change(MwWidget handle, const char* prop) {
if(strcmp(prop, MwNwidth) == 0 || strcmp(prop, MwNheight) == 0) resize(handle);
}
MwClassRec MwViewportClassRec = {
create, /* create */
NULL, /* destroy */
draw, /* draw */
NULL, /* click */
NULL, /* parent_resize */
NULL, /* prop_change */
NULL, /* mouse_move */
NULL, /* mouse_up */
NULL, /* mouse_down */
NULL, /* key */
create, /* create */
NULL, /* destroy */
draw, /* draw */
NULL, /* click */
NULL, /* parent_resize */
prop_change, /* prop_change */
NULL, /* mouse_move */
NULL, /* mouse_up */
NULL, /* mouse_down */
NULL, /* key */
NULL,
NULL,
NULL,
NULL,
NULL};
MwClass MwViewportClass = &MwViewportClassRec;
MwWidget MwViewportGetViewport(MwWidget handle) {
viewport_t* vp = handle->internal;
return vp->inframe;
}
void MwViewportSetSize(MwWidget handle, int w, int h) {
viewport_t* vp = handle->internal;
MwVaApply(vp->vscroll,
MwNmaxValue, h,
NULL);
MwVaApply(vp->hscroll,
MwNmaxValue, w,
NULL);
MwVaApply(vp->inframe,
MwNwidth, w,
MwNheight, h,
NULL);
}