DVX_GUI/apps/dvxbasic/ide/ideDesigner.c

1527 lines
52 KiB
C

// ideDesigner.c -- DVX BASIC form designer implementation
//
// WYSIWYG design surface using real DVX widgets positioned
// identically to how the form runtime lays them out. Selection
// handles and grid dots are drawn in the window's onPaint callback.
#include "ideDesigner.h"
#include "dvxDraw.h"
#include "dvxVideo.h"
#include "dvxWm.h"
#include "stb_ds_wrap.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
// ============================================================
// Constants
// ============================================================
#define FRM_LINE_MAX 512
#define DEFAULT_FORM_W 400
#define DEFAULT_FORM_H 300
#define DEFAULT_CTRL_W 100
#define DEFAULT_CTRL_H 30
#define MIN_CTRL_SIZE 8
// ============================================================
// Default event for the Form type (not a widget, so not in iface)
// ============================================================
static const char *FORM_DEFAULT_EVENT = "Load";
// ============================================================
// Prototypes
// ============================================================
// dsgnCreateDesignWidget is declared in ideDesigner.h (non-static)
static const char *getPropValue(const DsgnControlT *ctrl, const char *name);
static DsgnHandleE hitTestHandles(const DsgnControlT *ctrl, int32_t x, int32_t y);
static int32_t hitTestControl(const DsgnStateT *ds, int32_t x, int32_t y);
static const char *resolveTypeName(const char *typeName);
static void setPropValue(DsgnControlT *ctrl, const char *name, const char *value);
static void rebuildWidgets(DsgnStateT *ds);
static void syncWidgetGeom(DsgnControlT *ctrl);
// ============================================================
// dsgnCreateDesignWidget
// ============================================================
//
// Create a real DVX widget for design-time display. Mirrors the
// logic in formrt.c createWidget().
WidgetT *dsgnCreateDesignWidget(const char *vbTypeName, WidgetT *parent) {
const char *wgtName = resolveTypeName(vbTypeName);
if (!wgtName) {
return NULL;
}
const void *api = wgtGetApi(wgtName);
if (!api) {
return NULL;
}
const WgtIfaceT *iface = wgtGetIface(wgtName);
uint8_t sig = iface ? iface->createSig : WGT_CREATE_PARENT;
typedef WidgetT *(*CreateParentFnT)(WidgetT *);
typedef WidgetT *(*CreateParentTextFnT)(WidgetT *, const char *);
typedef WidgetT *(*CreateParentIntFnT)(WidgetT *, int32_t);
typedef WidgetT *(*CreateParentIntIntFnT)(WidgetT *, int32_t, int32_t);
typedef WidgetT *(*CreateParentIntIntIntFnT)(WidgetT *, int32_t, int32_t, int32_t);
typedef WidgetT *(*CreateParentIntBoolFnT)(WidgetT *, int32_t, bool);
typedef WidgetT *(*CreateParentBoolFnT)(WidgetT *, bool);
switch (sig) {
case WGT_CREATE_PARENT_TEXT: {
CreateParentTextFnT fn = *(CreateParentTextFnT *)api;
return fn(parent, "");
}
case WGT_CREATE_PARENT_INT: {
CreateParentIntFnT fn = *(CreateParentIntFnT *)api;
return fn(parent, iface->createArgs[0]);
}
case WGT_CREATE_PARENT_INT_INT: {
CreateParentIntIntFnT fn = *(CreateParentIntIntFnT *)api;
return fn(parent, iface->createArgs[0], iface->createArgs[1]);
}
case WGT_CREATE_PARENT_INT_INT_INT: {
CreateParentIntIntIntFnT fn = *(CreateParentIntIntIntFnT *)api;
return fn(parent, iface->createArgs[0], iface->createArgs[1], iface->createArgs[2]);
}
case WGT_CREATE_PARENT_INT_BOOL: {
CreateParentIntBoolFnT fn = *(CreateParentIntBoolFnT *)api;
return fn(parent, iface->createArgs[0], (bool)iface->createArgs[1]);
}
case WGT_CREATE_PARENT_BOOL: {
CreateParentBoolFnT fn = *(CreateParentBoolFnT *)api;
return fn(parent, (bool)iface->createArgs[0]);
}
case WGT_CREATE_PARENT_DATA:
// Image/ImageButton -- cannot auto-create without pixel data
return NULL;
default: {
CreateParentFnT fn = *(CreateParentFnT *)api;
return fn(parent);
}
}
}
// ============================================================
// dsgnCreateFormWindow
// ============================================================
WidgetT *dsgnCreateContentBox(WidgetT *root, const char *layout) {
// wgtInitWindow creates a VBox root. If the requested layout is VBox
// (or empty/missing), reuse root directly to avoid double-nesting.
if (!layout || !layout[0] || strcasecmp(layout, "VBox") == 0) {
return root;
}
// Look up the layout widget by BASIC name and create it dynamically
const char *wgtName = wgtFindByBasName(layout);
if (wgtName) {
const WgtIfaceT *iface = wgtGetIface(wgtName);
if (iface && iface->isContainer && iface->createSig == WGT_CREATE_PARENT) {
const void *api = wgtGetApi(wgtName);
if (api) {
// All WGT_CREATE_PARENT APIs have create(parent) as the first function pointer
WidgetT *(*createFn)(WidgetT *) = *(WidgetT *(*const *)(WidgetT *))api;
WidgetT *box = createFn(root);
box->weight = 100;
return box;
}
}
}
// Unknown layout — fall back to root VBox
return root;
}
WindowT *dsgnCreateFormWindow(AppContextT *ctx, const char *title, const char *layout, bool resizable, bool centered, bool autoSize, int32_t width, int32_t height, int32_t left, int32_t top, WidgetT **outRoot, WidgetT **outContentBox) {
int32_t defW = (width > 0) ? width : 400;
int32_t defH = (height > 0) ? height : 300;
WindowT *win = dvxCreateWindowCentered(ctx, title, defW, defH, resizable);
if (!win) {
return NULL;
}
win->visible = false;
WidgetT *root = wgtInitWindow(ctx, win);
if (!root) {
dvxDestroyWindow(ctx, win);
return NULL;
}
WidgetT *contentBox = dsgnCreateContentBox(root, layout);
// Apply sizing
if (autoSize) {
dvxFitWindow(ctx, win);
} else if (width > 0 && height > 0) {
dvxResizeWindow(ctx, win, width, height);
}
// Apply positioning
if (centered) {
win->x = (ctx->display.width - win->w) / 2;
win->y = (ctx->display.height - win->h) / 2;
} else if (left > 0 || top > 0) {
win->x = left;
win->y = top;
}
*outRoot = root;
*outContentBox = contentBox;
return win;
}
// ============================================================
// dsgnBuildPreviewMenuBar
// ============================================================
void dsgnBuildPreviewMenuBar(WindowT *win, const DsgnFormT *form) {
if (!win || !form) {
return;
}
int32_t menuCount = (int32_t)arrlen(form->menuItems);
if (menuCount <= 0) {
return;
}
MenuBarT *bar = wmAddMenuBar(win);
if (!bar) {
return;
}
MenuT *menuStack[8];
memset(menuStack, 0, sizeof(menuStack));
for (int32_t i = 0; i < menuCount; i++) {
const DsgnMenuItemT *mi = &form->menuItems[i];
bool isSep = (mi->caption[0] == '-');
bool isSubParent = (i + 1 < menuCount && form->menuItems[i + 1].level > mi->level);
if (mi->level == 0) {
menuStack[0] = wmAddMenu(bar, mi->caption);
} else if (isSep && mi->level > 0 && mi->level < 8 && menuStack[mi->level - 1]) {
wmAddMenuSeparator(menuStack[mi->level - 1]);
} else if (isSubParent && mi->level > 0 && mi->level < 8 && menuStack[mi->level - 1]) {
menuStack[mi->level] = wmAddSubMenu(menuStack[mi->level - 1], mi->caption);
} else if (mi->level > 0 && mi->level < 8 && menuStack[mi->level - 1]) {
int32_t id = DSGN_MENU_ID_BASE + i;
if (mi->radioCheck) {
wmAddMenuRadioItem(menuStack[mi->level - 1], mi->caption, id, mi->checked);
} else if (mi->checked) {
wmAddMenuCheckItem(menuStack[mi->level - 1], mi->caption, id, true);
} else {
wmAddMenuItem(menuStack[mi->level - 1], mi->caption, id);
}
}
}
}
// ============================================================
// dsgnAutoName
// ============================================================
void dsgnAutoName(const DsgnStateT *ds, const char *typeName, char *buf, int32_t bufSize) {
// Look up the name prefix from the widget interface descriptor.
// Falls back to the type name itself if no prefix is registered.
const char *prefix = typeName;
const char *wgtName = wgtFindByBasName(typeName);
if (wgtName) {
const WgtIfaceT *iface = wgtGetIface(wgtName);
if (iface && iface->namePrefix) {
prefix = iface->namePrefix;
}
}
int32_t highest = 0;
int32_t prefixLen = (int32_t)strlen(prefix);
int32_t count = ds->form ? (int32_t)arrlen(ds->form->controls) : 0;
for (int32_t i = 0; i < count; i++) {
if (strncasecmp(ds->form->controls[i]->name, prefix, prefixLen) == 0) {
int32_t num = atoi(ds->form->controls[i]->name + prefixLen);
if (num > highest) {
highest = num;
}
}
}
snprintf(buf, bufSize, "%s%d", prefix, (int)(highest + 1));
}
// ============================================================
// dsgnCreateWidgets
// ============================================================
void dsgnCreateWidgets(DsgnStateT *ds, WidgetT *contentBox) {
if (!ds->form || !contentBox) {
return;
}
ds->form->contentBox = contentBox;
int32_t count = (int32_t)arrlen(ds->form->controls);
// Two passes: first create all controls (so containers exist),
// then parent children inside their containers.
// Pass 1: create all widgets as top-level children
for (int32_t i = 0; i < count; i++) {
DsgnControlT *ctrl = ds->form->controls[i];
if (ctrl->widget) {
continue;
}
// Find the parent widget. For containers with a non-VBox Layout
// property, create a content box inside so children use the
// correct layout direction.
WidgetT *parent = contentBox;
if (ctrl->parentName[0]) {
for (int32_t j = 0; j < count; j++) {
if (j != i && ds->form->controls[j]->widget &&
strcasecmp(ds->form->controls[j]->name, ctrl->parentName) == 0) {
DsgnControlT *pc = ds->form->controls[j];
parent = pc->widget;
const char *layout = getPropValue(pc, "Layout");
if (layout && layout[0] && strcasecmp(layout, "VBox") != 0) {
// Check if we already created a content box inside
if (!parent->firstChild || !parent->firstChild->userData ||
parent->firstChild->userData != (void *)pc) {
WidgetT *box = dsgnCreateContentBox(parent, layout);
box->userData = (void *)pc;
}
parent = parent->firstChild;
}
break;
}
}
}
WidgetT *w = dsgnCreateDesignWidget(ctrl->typeName, parent);
if (!w) {
continue;
}
ctrl->widget = w;
wgtSetName(w, ctrl->name);
// Set Caption/Text
const char *caption = getPropValue(ctrl, "Caption");
const char *text = getPropValue(ctrl, "Text");
if (caption) { wgtSetText(w, caption); }
if (text) { wgtSetText(w, text); }
// Set size hints for the layout engine.
// minW/minH set the floor; maxW/maxH cap the size.
if (ctrl->width > 0) {
w->minW = wgtPixels(ctrl->width);
}
if (ctrl->height > 0) {
w->minH = wgtPixels(ctrl->height);
}
if (ctrl->maxWidth > 0) {
w->maxW = wgtPixels(ctrl->maxWidth);
}
if (ctrl->maxHeight > 0) {
w->maxH = wgtPixels(ctrl->maxHeight);
}
w->weight = ctrl->weight;
// Apply interface properties (Alignment, etc.) from FRM data
const char *wgtName = wgtFindByBasName(ctrl->typeName);
const WgtIfaceT *iface = wgtName ? wgtGetIface(wgtName) : NULL;
if (iface) {
for (int32_t pi = 0; pi < iface->propCount; pi++) {
const WgtPropDescT *p = &iface->props[pi];
if (!p->setFn) {
continue;
}
const char *val = getPropValue(ctrl, p->name);
if (!val) {
continue;
}
if (p->type == WGT_IFACE_ENUM && p->enumNames) {
for (int32_t en = 0; p->enumNames[en]; en++) {
if (strcasecmp(p->enumNames[en], val) == 0) {
((void (*)(WidgetT *, int32_t))p->setFn)(w, en);
break;
}
}
} else if (p->type == WGT_IFACE_INT) {
((void (*)(WidgetT *, int32_t))p->setFn)(w, atoi(val));
} else if (p->type == WGT_IFACE_BOOL) {
((void (*)(WidgetT *, bool))p->setFn)(w, strcasecmp(val, "True") == 0);
} else if (p->type == WGT_IFACE_STRING) {
((void (*)(WidgetT *, const char *))p->setFn)(w, val);
}
}
}
}
}
// ============================================================
// dsgnIsContainer
// ============================================================
bool dsgnIsContainer(const char *typeName) {
const char *wgtName = wgtFindByBasName(typeName);
if (wgtName) {
const WgtIfaceT *iface = wgtGetIface(wgtName);
if (iface) {
return iface->isContainer;
}
}
return false;
}
// ============================================================
// dsgnDefaultEvent
// ============================================================
const char *dsgnDefaultEvent(const char *typeName) {
if (strcasecmp(typeName, "Form") == 0) {
return FORM_DEFAULT_EVENT;
}
const char *wgtName = wgtFindByBasName(typeName);
if (wgtName) {
const WgtIfaceT *iface = wgtGetIface(wgtName);
if (iface && iface->defaultEvent) {
return iface->defaultEvent;
}
}
return "Click";
}
// ============================================================
// dsgnFree
// ============================================================
void dsgnFree(DsgnStateT *ds) {
if (ds->form) {
for (int32_t i = 0; i < arrlen(ds->form->controls); i++) {
free(ds->form->controls[i]);
}
arrfree(ds->form->controls);
arrfree(ds->form->menuItems);
free(ds->form->code);
free(ds->form);
ds->form = NULL;
}
}
// ============================================================
// dsgnInit
// ============================================================
void dsgnInit(DsgnStateT *ds, AppContextT *ctx) {
memset(ds, 0, sizeof(*ds));
ds->selectedIdx = -1;
ds->activeTool[0] = '\0';
ds->mode = DSGN_IDLE;
ds->activeHandle = HANDLE_NONE;
ds->ctx = ctx;
}
// ============================================================
// dsgnLoadFrm
// ============================================================
bool dsgnLoadFrm(DsgnStateT *ds, const char *source, int32_t sourceLen) {
if (!source || sourceLen <= 0) {
return false;
}
dsgnFree(ds);
DsgnFormT *form = (DsgnFormT *)calloc(1, sizeof(DsgnFormT));
if (!form) {
return false;
}
form->controls = NULL;
form->width = DEFAULT_FORM_W;
form->height = DEFAULT_FORM_H;
form->left = 0;
form->top = 0;
snprintf(form->layout, DSGN_MAX_NAME, "VBox");
form->centered = true;
form->autoSize = true;
form->resizable = true;
snprintf(form->name, DSGN_MAX_NAME, "Form1");
snprintf(form->caption, DSGN_MAX_TEXT, "Form1");
DsgnControlT *curCtrl = NULL;
DsgnMenuItemT *curMenuItem = NULL;
bool inForm = false;
bool inMenu = false;
int32_t menuNestDepth = 0;
int32_t blockDepth = 0; // Begin/End nesting depth (0 = form level)
bool blockIsContainer[DSGN_MAX_FRM_NESTING]; // whether each block is a container
// Parent name stack for nesting (index 0 = form level)
char parentStack[8][DSGN_MAX_NAME];
int32_t nestDepth = 0;
parentStack[0][0] = '\0';
const char *pos = source;
const char *end = source + sourceLen;
while (pos < end) {
const char *lineStart = pos;
while (pos < end && *pos != '\n' && *pos != '\r') {
pos++;
}
int32_t lineLen = (int32_t)(pos - lineStart);
if (pos < end && *pos == '\r') { pos++; }
if (pos < end && *pos == '\n') { pos++; }
char line[FRM_LINE_MAX];
if (lineLen >= FRM_LINE_MAX) {
lineLen = FRM_LINE_MAX - 1;
}
memcpy(line, lineStart, lineLen);
line[lineLen] = '\0';
char *trimmed = line;
while (*trimmed == ' ' || *trimmed == '\t') {
trimmed++;
}
if (*trimmed == '\0' || *trimmed == '\'') {
continue;
}
if (strncasecmp(trimmed, "VERSION ", 8) == 0) {
// Accept "VERSION DVX x.xx" (native) and "VERSION x.xx" (VB import).
// Reject VB forms with version > 1.xx (VB4+/VB6 use features we
// don't support like OLE controls and binary properties).
const char *ver = trimmed + 8;
if (strncasecmp(ver, "DVX ", 4) == 0) {
// Native DVX BASIC form — always accepted
} else {
// VB form — check version number
double vbVer = atof(ver);
if (vbVer > 2.0) {
return false; // VB4+ form, not compatible
}
}
continue;
}
// Begin TypeName CtrlName
if (strncasecmp(trimmed, "Begin ", 6) == 0) {
char *rest = trimmed + 6;
char typeName[DSGN_MAX_NAME];
char ctrlName[DSGN_MAX_NAME];
int32_t ti = 0;
while (*rest && *rest != ' ' && *rest != '\t' && ti < DSGN_MAX_NAME - 1) {
typeName[ti++] = *rest++;
}
typeName[ti] = '\0';
while (*rest == ' ' || *rest == '\t') { rest++; }
int32_t ci = 0;
while (*rest && *rest != ' ' && *rest != '\t' && *rest != '\r' && *rest != '\n' && ci < DSGN_MAX_NAME - 1) {
ctrlName[ci++] = *rest++;
}
ctrlName[ci] = '\0';
if (strcasecmp(typeName, "Form") == 0) {
snprintf(form->name, DSGN_MAX_NAME, "%s", ctrlName);
snprintf(form->caption, DSGN_MAX_TEXT, "%s", ctrlName);
inForm = true;
nestDepth = 0;
curCtrl = NULL;
} else if (strcasecmp(typeName, "Menu") == 0 && inForm) {
DsgnMenuItemT mi;
memset(&mi, 0, sizeof(mi));
snprintf(mi.name, DSGN_MAX_NAME, "%s", ctrlName);
mi.level = menuNestDepth;
mi.enabled = true;
arrput(form->menuItems, mi);
curMenuItem = &form->menuItems[arrlen(form->menuItems) - 1];
curCtrl = NULL; // not a control
menuNestDepth++;
inMenu = true;
if (blockDepth < DSGN_MAX_FRM_NESTING) { blockIsContainer[blockDepth] = false; }
blockDepth++;
} else if (inForm) {
DsgnControlT *cp = (DsgnControlT *)calloc(1, sizeof(DsgnControlT));
cp->index = -1;
snprintf(cp->name, DSGN_MAX_NAME, "%s", ctrlName);
snprintf(cp->typeName, DSGN_MAX_NAME, "%s", typeName);
// Set parent from current nesting
if (nestDepth > 0) {
snprintf(cp->parentName, DSGN_MAX_NAME, "%s", parentStack[nestDepth - 1]);
}
cp->width = DEFAULT_CTRL_W;
cp->height = DEFAULT_CTRL_H;
arrput(form->controls, cp);
curCtrl = form->controls[arrlen(form->controls) - 1];
bool isCtrl = dsgnIsContainer(typeName);
if (blockDepth < DSGN_MAX_FRM_NESTING) { blockIsContainer[blockDepth] = isCtrl; }
blockDepth++;
// If this is a container, push onto parent stack
if (isCtrl && nestDepth < 7) {
snprintf(parentStack[nestDepth], DSGN_MAX_NAME, "%s", ctrlName);
nestDepth++;
}
}
continue;
}
if (strcasecmp(trimmed, "End") == 0) {
if (blockDepth > 0) {
blockDepth--;
if (inMenu) {
menuNestDepth--;
curMenuItem = NULL;
if (menuNestDepth <= 0) {
menuNestDepth = 0;
inMenu = false;
}
} else {
// If we're closing a container, pop the parent stack
if (blockDepth < DSGN_MAX_FRM_NESTING && blockIsContainer[blockDepth] && nestDepth > 0) {
nestDepth--;
}
curCtrl = NULL;
}
} else {
// blockDepth == 0: this is the form's closing End
inForm = false;
// Everything after the form's closing End is code
if (pos < end) {
// Skip leading blank lines
const char *codeStart = pos;
while (codeStart < end && (*codeStart == '\r' || *codeStart == '\n' || *codeStart == ' ' || *codeStart == '\t')) {
codeStart++;
}
if (codeStart < end) {
int32_t codeLen = (int32_t)(end - codeStart);
form->code = (char *)malloc(codeLen + 1);
if (form->code) {
memcpy(form->code, codeStart, codeLen);
form->code[codeLen] = '\0';
}
}
}
break; // done parsing
}
continue;
}
// Property = Value
char *eq = strchr(trimmed, '=');
if (eq && inForm) {
char key[DSGN_MAX_NAME];
char *kend = eq - 1;
while (kend > trimmed && (*kend == ' ' || *kend == '\t')) { kend--; }
int32_t klen = (int32_t)(kend - trimmed + 1);
if (klen >= DSGN_MAX_NAME) { klen = DSGN_MAX_NAME - 1; }
memcpy(key, trimmed, klen);
key[klen] = '\0';
char *vstart = eq + 1;
while (*vstart == ' ' || *vstart == '\t') { vstart++; }
char val[DSGN_MAX_TEXT];
int32_t vi = 0;
if (*vstart == '"') {
vstart++;
while (*vstart && *vstart != '"' && vi < DSGN_MAX_TEXT - 1) {
val[vi++] = *vstart++;
}
} else {
while (*vstart && *vstart != '\r' && *vstart != '\n' && vi < DSGN_MAX_TEXT - 1) {
val[vi++] = *vstart++;
}
while (vi > 0 && (val[vi - 1] == ' ' || val[vi - 1] == '\t')) { vi--; }
}
val[vi] = '\0';
if (curMenuItem) {
if (strcasecmp(key, "Caption") == 0) { snprintf(curMenuItem->caption, DSGN_MAX_TEXT, "%s", val); }
else if (strcasecmp(key, "Checked") == 0) { curMenuItem->checked = (strcasecmp(val, "True") == 0 || strcasecmp(val, "-1") == 0); }
else if (strcasecmp(key, "RadioCheck") == 0) { curMenuItem->radioCheck = (strcasecmp(val, "True") == 0 || strcasecmp(val, "-1") == 0); }
else if (strcasecmp(key, "Enabled") == 0) { curMenuItem->enabled = (strcasecmp(val, "True") == 0 || strcasecmp(val, "-1") == 0); }
} else if (curCtrl) {
if (strcasecmp(key, "Left") == 0) { curCtrl->left = atoi(val); }
else if (strcasecmp(key, "Top") == 0) { curCtrl->top = atoi(val); }
else if (strcasecmp(key, "MinWidth") == 0 ||
strcasecmp(key, "Width") == 0) { curCtrl->width = atoi(val); }
else if (strcasecmp(key, "MinHeight") == 0 ||
strcasecmp(key, "Height") == 0) { curCtrl->height = atoi(val); }
else if (strcasecmp(key, "MaxWidth") == 0) { curCtrl->maxWidth = atoi(val); }
else if (strcasecmp(key, "MaxHeight") == 0) { curCtrl->maxHeight = atoi(val); }
else if (strcasecmp(key, "Weight") == 0) { curCtrl->weight = atoi(val); }
else if (strcasecmp(key, "Index") == 0) { curCtrl->index = atoi(val); }
else if (strcasecmp(key, "TabIndex") == 0) { /* ignored -- DVX has no tab order */ }
else { setPropValue(curCtrl, key, val); }
} else {
if (strcasecmp(key, "Caption") == 0) { snprintf(form->caption, DSGN_MAX_TEXT, "%s", val); }
else if (strcasecmp(key, "Layout") == 0) { strncpy(form->layout, val, DSGN_MAX_NAME - 1); form->layout[DSGN_MAX_NAME - 1] = '\0'; }
else if (strcasecmp(key, "AutoSize") == 0) { form->autoSize = (strcasecmp(val, "True") == 0); }
else if (strcasecmp(key, "Resizable") == 0) { form->resizable = (strcasecmp(val, "True") == 0); }
else if (strcasecmp(key, "Centered") == 0) { form->centered = (strcasecmp(val, "True") == 0); }
else if (strcasecmp(key, "Left") == 0) { form->left = atoi(val); }
else if (strcasecmp(key, "Top") == 0) { form->top = atoi(val); }
else if (strcasecmp(key, "Width") == 0) { form->width = atoi(val); form->autoSize = false; }
else if (strcasecmp(key, "Height") == 0) { form->height = atoi(val); form->autoSize = false; }
}
}
}
ds->form = form;
ds->selectedIdx = -1;
return true;
}
// ============================================================
// dsgnNewForm
// ============================================================
void dsgnNewForm(DsgnStateT *ds, const char *name) {
dsgnFree(ds);
DsgnFormT *form = (DsgnFormT *)calloc(1, sizeof(DsgnFormT));
form->controls = NULL;
form->width = DEFAULT_FORM_W;
form->height = DEFAULT_FORM_H;
form->left = 0;
form->top = 0;
snprintf(form->layout, DSGN_MAX_NAME, "VBox");
form->centered = true;
form->autoSize = false;
form->resizable = true;
snprintf(form->name, DSGN_MAX_NAME, "%s", name);
snprintf(form->caption, DSGN_MAX_TEXT, "%s", name);
ds->form = form;
ds->selectedIdx = -1;
}
// ============================================================
// dsgnOnKey
// ============================================================
void dsgnOnKey(DsgnStateT *ds, int32_t key) {
if (!ds->form) {
return;
}
int32_t count = (int32_t)arrlen(ds->form->controls);
// Delete key -- remove the selected control and any children
if (key == 0x153 && ds->selectedIdx >= 0 && ds->selectedIdx < count) {
const char *delName = ds->form->controls[ds->selectedIdx]->name;
// Remove children first (controls whose parentName matches)
for (int32_t i = count - 1; i >= 0; i--) {
if (i != ds->selectedIdx && strcasecmp(ds->form->controls[i]->parentName, delName) == 0) {
free(ds->form->controls[i]);
arrdel(ds->form->controls, i);
if (i < ds->selectedIdx) {
ds->selectedIdx--;
}
}
}
free(ds->form->controls[ds->selectedIdx]);
arrdel(ds->form->controls, ds->selectedIdx);
ds->selectedIdx = -1;
ds->form->dirty = true;
rebuildWidgets(ds);
}
}
// ============================================================
// dsgnOnMouse
// ============================================================
void dsgnOnMouse(DsgnStateT *ds, int32_t x, int32_t y, bool drag) {
if (!ds->form) {
return;
}
int32_t ctrlCount = (int32_t)arrlen(ds->form->controls);
if (drag) {
if (ds->mode == DSGN_RESIZING && ds->selectedIdx >= 0 && ds->selectedIdx < ctrlCount) {
DsgnControlT *ctrl = ds->form->controls[ds->selectedIdx];
int32_t dx = x - ds->dragStartX;
int32_t dy = y - ds->dragStartY;
switch (ds->activeHandle) {
case HANDLE_E:
ctrl->width = ds->dragOrigWidth + dx;
break;
case HANDLE_S:
ctrl->height = ds->dragOrigHeight + dy;
break;
case HANDLE_SE:
ctrl->width = ds->dragOrigWidth + dx;
ctrl->height = ds->dragOrigHeight + dy;
break;
default:
break;
}
if (ctrl->width < MIN_CTRL_SIZE) { ctrl->width = MIN_CTRL_SIZE; }
if (ctrl->height < MIN_CTRL_SIZE) { ctrl->height = MIN_CTRL_SIZE; }
syncWidgetGeom(ctrl);
ds->form->dirty = true;
} else if (ds->mode == DSGN_REORDERING && ds->selectedIdx >= 0 && ds->selectedIdx < ctrlCount) {
// Determine if we should swap with a neighbor based on drag direction
int32_t dy = y - ds->dragStartY;
DsgnControlT *ctrl = ds->form->controls[ds->selectedIdx];
if (dy > 0 && ctrl->widget) {
// Dragging down -- swap with next control if past its midpoint
if (ds->selectedIdx < ctrlCount - 1) {
DsgnControlT *next = ds->form->controls[ds->selectedIdx + 1];
if (next->widget && y > next->widget->y + next->widget->h / 2) {
DsgnControlT *tmp = ds->form->controls[ds->selectedIdx];
ds->form->controls[ds->selectedIdx] = ds->form->controls[ds->selectedIdx + 1];
ds->form->controls[ds->selectedIdx + 1] = tmp;
rebuildWidgets(ds);
ds->selectedIdx++;
ds->dragStartY = y;
ds->form->dirty = true;
}
}
} else if (dy < 0 && ctrl->widget) {
// Dragging up -- swap with previous control if past its midpoint
if (ds->selectedIdx > 0) {
DsgnControlT *prev = ds->form->controls[ds->selectedIdx - 1];
if (prev->widget && y < prev->widget->y + prev->widget->h / 2) {
DsgnControlT *tmp = ds->form->controls[ds->selectedIdx];
ds->form->controls[ds->selectedIdx] = ds->form->controls[ds->selectedIdx - 1];
ds->form->controls[ds->selectedIdx - 1] = tmp;
rebuildWidgets(ds);
ds->selectedIdx--;
ds->dragStartY = y;
ds->form->dirty = true;
}
}
}
}
return;
}
// Mouse click (not drag) -- end any ongoing operation
if (ds->mode == DSGN_REORDERING || ds->mode == DSGN_RESIZING) {
ds->mode = DSGN_IDLE;
return;
}
// Pointer tool: select, start resize or reorder
if (ds->activeTool[0] == '\0') {
// Check grab handles of selected control first
if (ds->selectedIdx >= 0 && ds->selectedIdx < ctrlCount) {
DsgnHandleE handle = hitTestHandles(ds->form->controls[ds->selectedIdx], x, y);
if (handle != HANDLE_NONE) {
DsgnControlT *ctrl = ds->form->controls[ds->selectedIdx];
ds->mode = DSGN_RESIZING;
ds->activeHandle = handle;
ds->dragStartX = x;
ds->dragStartY = y;
ds->dragOrigWidth = ctrl->widget ? ctrl->widget->w : ctrl->width;
ds->dragOrigHeight = ctrl->widget ? ctrl->widget->h : ctrl->height;
return;
}
}
// Hit test controls -- click to select, drag to reorder
int32_t hit = hitTestControl(ds, x, y);
if (hit >= 0) {
ds->selectedIdx = hit;
ds->mode = DSGN_REORDERING;
ds->dragStartY = y;
} else {
ds->selectedIdx = -1;
}
return;
}
// Non-pointer tool: place a new control
const char *typeName = ds->activeTool;
DsgnControlT *cp = (DsgnControlT *)calloc(1, sizeof(DsgnControlT));
cp->index = -1;
dsgnAutoName(ds, typeName, cp->name, DSGN_MAX_NAME);
snprintf(cp->typeName, DSGN_MAX_NAME, "%s", typeName);
cp->width = DEFAULT_CTRL_W;
cp->height = DEFAULT_CTRL_H;
setPropValue(cp, "Caption", cp->name);
// Determine parent: if click is inside a container, nest there
WidgetT *parentWidget = ds->form->contentBox;
for (int32_t i = ctrlCount - 1; i >= 0; i--) {
DsgnControlT *pc = ds->form->controls[i];
if (pc->widget && dsgnIsContainer(pc->typeName)) {
int32_t wx = pc->widget->x;
int32_t wy = pc->widget->y;
int32_t ww = pc->widget->w;
int32_t wh = pc->widget->h;
if (x >= wx && x < wx + ww && y >= wy && y < wy + wh) {
snprintf(cp->parentName, DSGN_MAX_NAME, "%s", pc->name);
parentWidget = pc->widget;
break;
}
}
}
// Create the live widget
if (parentWidget) {
cp->widget = dsgnCreateDesignWidget(typeName, parentWidget);
if (cp->widget) {
cp->widget->minW = wgtPixels(cp->width);
cp->widget->minH = wgtPixels(cp->height);
}
}
arrput(ds->form->controls, cp);
ds->selectedIdx = (int32_t)arrlen(ds->form->controls) - 1;
// Set text AFTER arrput so pointers are stable (heap-allocated, so always stable)
DsgnControlT *stable = ds->form->controls[ds->selectedIdx];
if (stable->widget) {
const char *caption = getPropValue(stable, "Caption");
wgtSetName(stable->widget, stable->name);
wgtSetText(stable->widget, caption ? caption : stable->name);
}
ds->activeTool[0] = '\0';
ds->mode = DSGN_IDLE;
ds->form->dirty = true;
}
// ============================================================
// dsgnPaint
// ============================================================
//
// Draw grid dots and selection handles over the live widgets.
// Called from the form window's onPaint callback.
void dsgnPaint(DsgnStateT *ds) {
if (!ds->form || !ds->ctx) {
return;
}
// Grid dots and selection handles are drawn directly onto
// the window via the display backbuffer. The live widgets
// handle their own rendering.
// Nothing to do here for now -- the onPaint hook in ideMain
// calls dsgnPaintOverlay with the display pointer.
}
// ============================================================
// dsgnPaintOverlay
// ============================================================
//
// Draw selection handles on the window's painted surface.
// Called after widgets have painted, using direct display drawing.
void dsgnPaintOverlay(DsgnStateT *ds, int32_t winX, int32_t winY) {
(void)winX;
(void)winY;
if (!ds->form || !ds->form->controls || !ds->ctx || !ds->formWin || !ds->formWin->contentBuf) {
return;
}
int32_t count = (int32_t)arrlen(ds->form->controls);
if (ds->selectedIdx < 0 || ds->selectedIdx >= count) {
return;
}
DsgnControlT *ctrl = ds->form->controls[ds->selectedIdx];
if (!ctrl->widget || !ctrl->widget->visible || ctrl->widget->w <= 0 || ctrl->widget->h <= 0) {
return;
}
// Draw into the window's content buffer (same coordinate space as widgets)
DisplayT cd = ds->ctx->display;
cd.backBuf = ds->formWin->contentBuf;
cd.width = ds->formWin->contentW;
cd.height = ds->formWin->contentH;
cd.pitch = ds->formWin->contentPitch;
cd.clipX = 0;
cd.clipY = 0;
cd.clipW = ds->formWin->contentW;
cd.clipH = ds->formWin->contentH;
const BlitOpsT *ops = &ds->ctx->blitOps;
uint32_t black = packColor(&cd, 0, 0, 0);
uint32_t gray = packColor(&cd, 128, 128, 128);
int32_t cx = ctrl->widget->x;
int32_t cy = ctrl->widget->y;
int32_t cw = ctrl->widget->w;
int32_t ch = ctrl->widget->h;
int32_t hs = DSGN_HANDLE_SIZE;
// All 8 handles: NW, N, NE, E, SE, S, SW, W
int32_t hx[8] = { cx - hs/2, cx + cw/2 - hs/2, cx + cw - hs/2, cx + cw - hs/2, cx + cw - hs/2, cx + cw/2 - hs/2, cx - hs/2, cx - hs/2 };
int32_t hy[8] = { cy - hs/2, cy - hs/2, cy - hs/2, cy + ch/2 - hs/2, cy + ch - hs/2, cy + ch - hs/2, cy + ch - hs/2, cy + ch/2 - hs/2 };
// E (idx 3), S (idx 5), SE (idx 4) are active (black); rest are inactive (gray)
for (int32_t i = 0; i < 8; i++) {
bool active = (i == 3 || i == 4 || i == 5);
rectFill(&cd, ops, hx[i], hy[i], hs, hs, active ? black : gray);
}
}
// ============================================================
// dsgnSaveFrm
// ============================================================
// Write controls at a given nesting level with the specified parent name.
static int32_t saveControls(const DsgnFormT *form, char *buf, int32_t bufSize, int32_t pos, const char *parentName, int32_t indent) {
int32_t count = (int32_t)arrlen(form->controls);
for (int32_t i = 0; i < count; i++) {
const DsgnControlT *ctrl = form->controls[i];
// Only output controls whose parent matches
if (parentName[0] == '\0' && ctrl->parentName[0] != '\0') { continue; }
if (parentName[0] != '\0' && strcasecmp(ctrl->parentName, parentName) != 0) { continue; }
// Indent
char pad[32];
int32_t padLen = indent * 4;
if (padLen > 31) { padLen = 31; }
memset(pad, ' ', padLen);
pad[padLen] = '\0';
pos += snprintf(buf + pos, bufSize - pos, "%sBegin %s %s\n", pad, ctrl->typeName, ctrl->name);
if (ctrl->index >= 0) {
pos += snprintf(buf + pos, bufSize - pos, "%s Index = %d\n", pad, (int)ctrl->index);
}
const char *caption = getPropValue(ctrl, "Caption");
const char *text = getPropValue(ctrl, "Text");
if (caption) { pos += snprintf(buf + pos, bufSize - pos, "%s Caption = \"%s\"\n", pad, caption); }
if (text) { pos += snprintf(buf + pos, bufSize - pos, "%s Text = \"%s\"\n", pad, text); }
pos += snprintf(buf + pos, bufSize - pos, "%s Left = %d\n", pad, (int)ctrl->left);
pos += snprintf(buf + pos, bufSize - pos, "%s Top = %d\n", pad, (int)ctrl->top);
pos += snprintf(buf + pos, bufSize - pos, "%s MinWidth = %d\n", pad, (int)ctrl->width);
pos += snprintf(buf + pos, bufSize - pos, "%s MinHeight = %d\n", pad, (int)ctrl->height);
if (ctrl->maxWidth > 0) {
pos += snprintf(buf + pos, bufSize - pos, "%s MaxWidth = %d\n", pad, (int)ctrl->maxWidth);
}
if (ctrl->maxHeight > 0) {
pos += snprintf(buf + pos, bufSize - pos, "%s MaxHeight = %d\n", pad, (int)ctrl->maxHeight);
}
if (ctrl->weight > 0) {
pos += snprintf(buf + pos, bufSize - pos, "%s Weight = %d\n", pad, (int)ctrl->weight);
}
for (int32_t j = 0; j < ctrl->propCount; j++) {
if (strcasecmp(ctrl->props[j].name, "Caption") == 0) { continue; }
if (strcasecmp(ctrl->props[j].name, "Text") == 0) { continue; }
pos += snprintf(buf + pos, bufSize - pos, "%s %s = \"%s\"\n", pad, ctrl->props[j].name, ctrl->props[j].value);
}
// Save interface properties (Alignment, etc.) read from the live widget
if (ctrl->widget) {
const char *wgtName = wgtFindByBasName(ctrl->typeName);
const WgtIfaceT *iface = wgtName ? wgtGetIface(wgtName) : NULL;
if (iface) {
for (int32_t j = 0; j < iface->propCount; j++) {
const WgtPropDescT *p = &iface->props[j];
if (!p->getFn || !p->setFn) {
continue;
}
// Skip if already saved as a custom prop
bool already = false;
for (int32_t k = 0; k < ctrl->propCount; k++) {
if (strcasecmp(ctrl->props[k].name, p->name) == 0) {
already = true;
break;
}
}
if (already) {
continue;
}
if (p->type == WGT_IFACE_ENUM && p->enumNames) {
int32_t v = ((int32_t (*)(const WidgetT *))p->getFn)(ctrl->widget);
const char *name = NULL;
for (int32_t en = 0; p->enumNames[en]; en++) {
if (en == v) {
name = p->enumNames[en];
break;
}
}
if (name) {
pos += snprintf(buf + pos, bufSize - pos, "%s %s = %s\n", pad, p->name, name);
}
} else if (p->type == WGT_IFACE_INT) {
int32_t v = ((int32_t (*)(const WidgetT *))p->getFn)(ctrl->widget);
pos += snprintf(buf + pos, bufSize - pos, "%s %s = %d\n", pad, p->name, (int)v);
} else if (p->type == WGT_IFACE_BOOL) {
bool v = ((bool (*)(const WidgetT *))p->getFn)(ctrl->widget);
pos += snprintf(buf + pos, bufSize - pos, "%s %s = %s\n", pad, p->name, v ? "True" : "False");
}
}
}
}
// Recursively output children of this container
if (dsgnIsContainer(ctrl->typeName)) {
pos = saveControls(form, buf, bufSize, pos, ctrl->name, indent + 1);
}
pos += snprintf(buf + pos, bufSize - pos, "%sEnd\n", pad);
}
return pos;
}
int32_t dsgnSaveFrm(const DsgnStateT *ds, char *buf, int32_t bufSize) {
if (!ds->form || !buf || bufSize <= 0) {
return -1;
}
int32_t pos = 0;
pos += snprintf(buf + pos, bufSize - pos, "VERSION DVX 1.00\n");
pos += snprintf(buf + pos, bufSize - pos, "Begin Form %s\n", ds->form->name);
pos += snprintf(buf + pos, bufSize - pos, " Caption = \"%s\"\n", ds->form->caption);
pos += snprintf(buf + pos, bufSize - pos, " Layout = %s\n", ds->form->layout);
pos += snprintf(buf + pos, bufSize - pos, " AutoSize = %s\n", ds->form->autoSize ? "True" : "False");
pos += snprintf(buf + pos, bufSize - pos, " Resizable = %s\n", ds->form->resizable ? "True" : "False");
pos += snprintf(buf + pos, bufSize - pos, " Centered = %s\n", ds->form->centered ? "True" : "False");
if (!ds->form->centered) {
pos += snprintf(buf + pos, bufSize - pos, " Left = %d\n", (int)ds->form->left);
pos += snprintf(buf + pos, bufSize - pos, " Top = %d\n", (int)ds->form->top);
}
if (!ds->form->autoSize) {
pos += snprintf(buf + pos, bufSize - pos, " Width = %d\n", (int)ds->form->width);
pos += snprintf(buf + pos, bufSize - pos, " Height = %d\n", (int)ds->form->height);
}
// Output menu items as nested Begin Menu blocks
{
int32_t menuCount = (int32_t)arrlen(ds->form->menuItems);
int32_t curLevel = 0;
for (int32_t i = 0; i < menuCount; i++) {
DsgnMenuItemT *mi = &ds->form->menuItems[i];
// Close blocks back to this item's level
while (curLevel > mi->level) {
curLevel--;
for (int32_t p = 0; p < (curLevel + 1) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "End\n");
}
// Indent: (level + 1) * 4 spaces (one extra for being inside Form block)
for (int32_t p = 0; p < (mi->level + 1) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "Begin Menu %s\n", mi->name);
// Caption
for (int32_t p = 0; p < (mi->level + 2) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "Caption = \"%s\"\n", mi->caption);
// Optional properties
if (mi->checked) {
for (int32_t p = 0; p < (mi->level + 2) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "Checked = True\n");
}
if (mi->radioCheck) {
for (int32_t p = 0; p < (mi->level + 2) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "RadioCheck = True\n");
}
if (!mi->enabled) {
for (int32_t p = 0; p < (mi->level + 2) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "Enabled = False\n");
}
curLevel = mi->level + 1;
}
// Close any remaining open menu blocks
while (curLevel > 0) {
curLevel--;
for (int32_t p = 0; p < (curLevel + 1) * 4; p++) {
buf[pos++] = ' ';
}
pos += snprintf(buf + pos, bufSize - pos, "End\n");
}
}
// Output top-level controls (and recurse into containers)
pos = saveControls(ds->form, buf, bufSize, pos, "", 1);
pos += snprintf(buf + pos, bufSize - pos, "End\n");
// Append code section if present
if (ds->form->code && ds->form->code[0]) {
int32_t codeLen = (int32_t)strlen(ds->form->code);
int32_t avail = bufSize - pos - 2; // room for \n prefix and \n suffix
if (avail > 0) {
buf[pos++] = '\n';
if (codeLen > avail) {
codeLen = avail;
}
memcpy(buf + pos, ds->form->code, codeLen);
pos += codeLen;
// Ensure trailing newline
if (pos > 0 && buf[pos - 1] != '\n' && pos < bufSize - 1) {
buf[pos++] = '\n';
}
buf[pos] = '\0';
}
}
return pos;
}
// ============================================================
// dsgnSelectedName
// ============================================================
const char *dsgnSelectedName(const DsgnStateT *ds) {
if (!ds->form) {
return "";
}
if (ds->selectedIdx >= 0 && ds->selectedIdx < (int32_t)arrlen(ds->form->controls)) {
return ds->form->controls[ds->selectedIdx]->name;
}
return ds->form->name;
}
// ============================================================
// getPropValue
// ============================================================
static const char *getPropValue(const DsgnControlT *ctrl, const char *name) {
for (int32_t i = 0; i < ctrl->propCount; i++) {
if (strcasecmp(ctrl->props[i].name, name) == 0) {
return ctrl->props[i].value;
}
}
return NULL;
}
// ============================================================
// hitTestControl
// ============================================================
static int32_t hitTestControl(const DsgnStateT *ds, int32_t x, int32_t y) {
int32_t count = (int32_t)arrlen(ds->form->controls);
for (int32_t i = count - 1; i >= 0; i--) {
const DsgnControlT *ctrl = ds->form->controls[i];
if (!ctrl->widget || !ctrl->widget->visible) {
continue;
}
// Use the widget's actual laid-out position
int32_t wx = ctrl->widget->x;
int32_t wy = ctrl->widget->y;
int32_t ww = ctrl->widget->w;
int32_t wh = ctrl->widget->h;
if (x >= wx && x < wx + ww && y >= wy && y < wy + wh) {
return i;
}
}
return -1;
}
// ============================================================
// hitTestHandles
// ============================================================
static DsgnHandleE hitTestHandles(const DsgnControlT *ctrl, int32_t x, int32_t y) {
if (!ctrl->widget) {
return HANDLE_NONE;
}
int32_t cx = ctrl->widget->x;
int32_t cy = ctrl->widget->y;
int32_t cw = ctrl->widget->w;
int32_t ch = ctrl->widget->h;
int32_t hs = DSGN_HANDLE_SIZE;
// 3 handles: E (right edge), S (bottom edge), SE (corner)
int32_t hx[HANDLE_COUNT] = { cx + cw - hs/2, cx + cw/2 - hs/2, cx + cw - hs/2 };
int32_t hy[HANDLE_COUNT] = { cy + ch/2 - hs/2, cy + ch - hs/2, cy + ch - hs/2 };
for (int32_t i = 0; i < HANDLE_COUNT; i++) {
if (x >= hx[i] && x < hx[i] + hs && y >= hy[i] && y < hy[i] + hs) {
return (DsgnHandleE)i;
}
}
return HANDLE_NONE;
}
// ============================================================
// resolveTypeName
// ============================================================
static const char *resolveTypeName(const char *typeName) {
const char *wgtName = wgtFindByBasName(typeName);
if (wgtName) {
return wgtName;
}
if (wgtGetApi(typeName)) {
return typeName;
}
return NULL;
}
// ============================================================
// setPropValue
// ============================================================
static void setPropValue(DsgnControlT *ctrl, const char *name, const char *value) {
for (int32_t i = 0; i < ctrl->propCount; i++) {
if (strcasecmp(ctrl->props[i].name, name) == 0) {
snprintf(ctrl->props[i].value, DSGN_MAX_TEXT, "%s", value);
return;
}
}
if (ctrl->propCount < DSGN_MAX_PROPS) {
snprintf(ctrl->props[ctrl->propCount].name, DSGN_MAX_NAME, "%s", name);
snprintf(ctrl->props[ctrl->propCount].value, DSGN_MAX_TEXT, "%s", value);
ctrl->propCount++;
}
}
// ============================================================
// rebuildWidgets
// ============================================================
//
// Destroy all live widgets and recreate them in the current
// array order. This is the safest way to reorder since the
// widget tree child list matches the creation order.
static void rebuildWidgets(DsgnStateT *ds) {
WidgetT *parent = ds->form ? ds->form->contentBox : NULL;
if (!parent) {
return;
}
// Destroy all existing widget children
// (wgtDestroy not available, so just unlink and let the window own them)
parent->firstChild = NULL;
parent->lastChild = NULL;
// Clear widget pointers
int32_t count = (int32_t)arrlen(ds->form->controls);
for (int32_t i = 0; i < count; i++) {
ds->form->controls[i]->widget = NULL;
}
// Recreate all widgets in current array order
dsgnCreateWidgets(ds, parent);
}
// ============================================================
// syncWidgetGeom
// ============================================================
//
// Update the live widget's position and size from the design data.
static void syncWidgetGeom(DsgnControlT *ctrl) {
if (!ctrl->widget) {
return;
}
ctrl->widget->minW = wgtPixels(ctrl->width);
ctrl->widget->minH = wgtPixels(ctrl->height);
ctrl->widget->maxW = ctrl->maxWidth > 0 ? wgtPixels(ctrl->maxWidth) : 0;
ctrl->widget->maxH = ctrl->maxHeight > 0 ? wgtPixels(ctrl->maxHeight) : 0;
}