// TODO check widths
static void uiColorButtonMinimumSize(uiWindowsControl *c, intmax_t *width, intmax_t *height)
{
uiColorButton *b = uiColorButton(c);
SIZE size;
uiWindowsSizing sizing;
int y;
// try the comctl32 version 6 way
size.cx = 0; // explicitly ask for ideal size
size.cy = 0;
if (SendMessageW(b->hwnd, BCM_GETIDEALSIZE, 0, (LPARAM) (&size)) != FALSE) {
*width = size.cx;
*height = size.cy;
return;
}
// that didn't work; fall back to using Microsoft's metrics
// Microsoft says to use a fixed width for all buttons; this isn't good enough
// use the text width instead, with some edge padding
*width = uiWindowsWindowTextWidth(b->hwnd) + (2 * GetSystemMetrics(SM_CXEDGE));
y = buttonHeight;
uiWindowsGetSizing(b->hwnd, &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &y);
*height = y;
}
static void uiRadioButtonsMinimumSize(uiWindowsControl *c, intmax_t *width, intmax_t *height)
{
uiRadioButtons *r = uiRadioButtons(c);
intmax_t wid, maxwid;
uiWindowsSizing sizing;
int x, y;
if (r->hwnds->size() == 0) {
*width = 0;
*height = 0;
return;
}
maxwid = 0;
for (const HWND &hwnd : *(r->hwnds)) {
wid = uiWindowsWindowTextWidth(hwnd);
if (maxwid < wid)
maxwid = wid;
}
x = radiobuttonXFromLeftOfBoxToLeftOfLabel;
y = radiobuttonHeight;
// get it for the radio button itself since that's what counts
// TODO for all of them?
uiWindowsGetSizing((*(r->hwnds))[0], &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, &x, &y);
*width = x + maxwid;
*height = y * r->hwnds->size();
}
static void uiFormMinimumSize(uiWindowsControl *c, int *width, int *height)
{
uiForm *f = uiForm(c);
int xpadding, ypadding;
int nStretchy;
// these two contain the largest minimum width and height of all stretchy controls in the form
// all stretchy controls will use this value to determine the final minimum size
int maxLabelWidth, maxControlWidth;
int maxStretchyHeight;
int labelwid;
int i;
int minimumWidth, minimumHeight;
int nVisible;
uiWindowsSizing sizing;
*width = 0;
*height = 0;
if (f->controls->size() == 0)
return;
// 0) get this Form's padding
formPadding(f, &xpadding, &ypadding);
// 1) determine the longest width of all controls and labels; add in the height of non-stretchy controls and get (but not add in) the largest heights of stretchy controls
// we still add in like direction of stretchy controls
nStretchy = 0;
maxLabelWidth = 0;
maxControlWidth = 0;
maxStretchyHeight = 0;
nVisible = 0;
for (const struct formChild &fc : *(f->controls)) {
if (!uiControlVisible(fc.c))
continue;
nVisible++;
labelwid = uiWindowsWindowTextWidth(fc.label);
if (maxLabelWidth < labelwid)
maxLabelWidth = labelwid;
uiWindowsControlMinimumSize(uiWindowsControl(fc.c), &minimumWidth, &minimumHeight);
if (fc.stretchy) {
nStretchy++;
if (maxStretchyHeight < minimumHeight)
maxStretchyHeight = minimumHeight;
}
if (maxControlWidth < minimumWidth)
maxControlWidth = minimumWidth;
if (!fc.stretchy)
*height += minimumHeight;
}
if (nVisible == 0) // nothing to show; return 0x0
return;
*width += maxLabelWidth + maxControlWidth;
// 2) outset the desired rect with the needed padding
*width += xpadding;
*height += (nVisible - 1) * ypadding;
// 3) and now we can add in stretchy controls
*height += nStretchy * maxStretchyHeight;
}
static void uiCheckboxMinimumSize(uiWindowsControl *cc, intmax_t *width, intmax_t *height)
{
uiCheckbox *c = uiCheckbox(cc);
uiWindowsSizing sizing;
int x, y;
x = checkboxXFromLeftOfBoxToLeftOfLabel;
y = checkboxHeight;
uiWindowsGetSizing(c->hwnd, &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, &x, &y);
*width = x + uiWindowsWindowTextWidth(c->hwnd);
*height = y;
}
static void uiGroupMinimumSize(uiWindowsControl *c, int *width, int *height)
{
uiGroup *g = uiGroup(c);
int mx, mtop, mbottom;
int labelWidth;
*width = 0;
*height = 0;
if (g->child != NULL)
uiWindowsControlMinimumSize(uiWindowsControl(g->child), width, height);
labelWidth = uiWindowsWindowTextWidth(g->hwnd);
if (*width < labelWidth) // don't clip the label; it doesn't ellipsize
*width = labelWidth;
groupMargins(g, &mx, &mtop, &mbottom);
*width += 2 * mx;
*height += mtop + mbottom;
}
static void formRelayout(uiForm *f)
{
RECT r;
int x, y, width, height;
int xpadding, ypadding;
int nStretchy;
int labelwid, stretchyht;
int thiswid;
int i;
int minimumWidth, minimumHeight;
uiWindowsSizing sizing;
int labelht, labelyoff;
int nVisible;
if (f->controls->size() == 0)
return;
uiWindowsEnsureGetClientRect(f->hwnd, &r);
x = r.left;
y = r.top;
width = r.right - r.left;
height = r.bottom - r.top;
// 0) get this Form's padding
formPadding(f, &xpadding, &ypadding);
// 1) get width of labels and height of non-stretchy controls
// this will tell us how much space will be left for controls
labelwid = 0;
stretchyht = height;
nStretchy = 0;
nVisible = 0;
for (struct formChild &fc : *(f->controls)) {
if (!uiControlVisible(fc.c)) {
ShowWindow(fc.label, SW_HIDE);
continue;
}
ShowWindow(fc.label, SW_SHOW);
nVisible++;
thiswid = uiWindowsWindowTextWidth(fc.label);
if (labelwid < thiswid)
labelwid = thiswid;
if (fc.stretchy) {
nStretchy++;
continue;
}
uiWindowsControlMinimumSize(uiWindowsControl(fc.c), &minimumWidth, &minimumHeight);
fc.height = minimumHeight;
stretchyht -= minimumHeight;
}
if (nVisible == 0) // nothing to do
return;
// 2) inset the available rect by the needed padding
width -= xpadding;
height -= (nVisible - 1) * ypadding;
stretchyht -= (nVisible - 1) * ypadding;
// 3) now get the width of controls and the height of stretchy controls
width -= labelwid;
if (nStretchy != 0) {
stretchyht /= nStretchy;
for (struct formChild &fc : *(f->controls)) {
if (!uiControlVisible(fc.c))
continue;
if (fc.stretchy)
fc.height = stretchyht;
}
}
// 4) get the y offset
labelyoff = labelYOffset;
uiWindowsGetSizing(f->hwnd, &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &labelyoff);
// 5) now we can position controls
// first, make relative to the top-left corner of the container
// also prefer left alignment on Windows
x = labelwid + xpadding;
y = 0;
for (const struct formChild &fc : *(f->controls)) {
if (!uiControlVisible(fc.c))
continue;
labelht = labelHeight;
uiWindowsGetSizing(f->hwnd, &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, NULL, &labelht);
uiWindowsEnsureMoveWindowDuringResize(fc.label, 0, y + labelyoff - sizing.InternalLeading, labelwid, labelht);
uiWindowsEnsureMoveWindowDuringResize((HWND) uiControlHandle(fc.c), x, y, width, fc.height);
y += fc.height + ypadding;
}
}
