ENH: ComboBox second drop list & align center

Change-Id: I468468a1a86bb8e89468070b0323aace6279fd09
Jira: STUDIO-8857
(cherry picked from commit 120ac092e38993a91132b6b3d87777ef8e728f0e)
This commit is contained in:
chunmao.guo
2024-11-22 16:44:51 +08:00
committed by Noisyfox
parent d3a164251c
commit 4b9aaa7341
5 changed files with 325 additions and 132 deletions

View File

@@ -30,12 +30,8 @@ END_EVENT_TABLE()
* calling Refresh()/Update().
*/
DropDown::DropDown(std::vector<wxString> &texts,
std::vector<wxString> &tips,
std::vector<wxBitmap> &icons)
: texts(texts)
, tips(tips)
, icons(icons)
DropDown::DropDown(std::vector<Item> &items)
: items(items)
, state_handler(this)
, border_color(0xDBDBDB)
, text_color(0x363636)
@@ -46,18 +42,13 @@ DropDown::DropDown(std::vector<wxString> &texts,
{
}
DropDown::DropDown(wxWindow * parent,
std::vector<wxString> &texts,
std::vector<wxString> &tips,
std::vector<wxBitmap> &icons,
long style)
: DropDown(texts, tips, icons)
DropDown::DropDown(wxWindow *parent, std::vector<Item> &items, long style)
: DropDown(items)
{
Create(parent, style);
}
void DropDown::Create(wxWindow * parent,
long style)
void DropDown::Create(wxWindow *parent, long style)
{
PopupWindow::Create(parent, wxPU_CONTAINS_CONTROLS);
SetBackgroundStyle(wxBG_STYLE_PAINT);
@@ -83,14 +74,14 @@ void DropDown::Invalidate(bool clear)
selection = hover_item = -1;
offset = wxPoint();
}
assert(selection < (int) texts.size());
assert(selection < (int) items.size());
need_sync = true;
}
void DropDown::SetSelection(int n)
{
assert(n < (int) texts.size());
if (n >= (int) texts.size())
assert(n < (int) items.size());
if (n >= (int) items.size())
n = -1;
if (selection == n) return;
selection = n;
@@ -98,18 +89,20 @@ void DropDown::SetSelection(int n)
messureSize();
need_sync = true;
}
if (subDropDown)
subDropDown->SetSelection(n);
paintNow();
}
wxString DropDown::GetValue() const
{
return selection >= 0 ? texts[selection] : wxString();
return selection >= 0 ? items[selection].text : wxString();
}
void DropDown::SetValue(const wxString &value)
{
auto i = std::find(texts.begin(), texts.end(), value);
selection = i == texts.end() ? -1 : std::distance(texts.begin(), i);
auto i = std::find_if(items.begin(), items.end(), [&value](Item & item) { return item.text == value; });
selection = i == items.end() ? -1 : std::distance(items.begin(), i);
}
void DropDown::SetCornerRadius(double radius)
@@ -209,8 +202,10 @@ static wxSize GetBmpSize(wxBitmap & bmp)
*/
void DropDown::render(wxDC &dc)
{
if (texts.size() == 0) return;
if (items.size() == 0) return;
int states = state_handler.states();
if (subDropDown)
states |= subDropDown->state_handler.states();
dc.SetPen(wxPen(border_color.colorForStates(states)));
dc.SetBrush(wxBrush(StateColor::darkModeColorFor(GetBackgroundColour())));
// if (GetWindowStyle() & wxBORDER_NONE)
@@ -223,12 +218,14 @@ void DropDown::render(wxDC &dc)
else
dc.DrawRoundedRectangle(0, 0, size.x, size.y, radius);
int selected_item = selectedItem();
// draw hover rectangle
wxRect rcContent = {{0, offset.y}, rowSize};
if (hover_item >= 0 && (states & StateColor::Hovered)) {
rcContent.y += rowSize.y * hover_item;
if (rcContent.GetBottom() > 0 && rcContent.y < size.y) {
if (selection == hover_item)
if (selected_item == hover_item)
dc.SetBrush(wxBrush(selector_background_color.colorForStates(states | StateColor::Checked)));
dc.SetPen(wxPen(selector_border_color.colorForStates(states)));
rcContent.Deflate(4, 1);
@@ -238,8 +235,8 @@ void DropDown::render(wxDC &dc)
rcContent.y = offset.y;
}
// draw checked rectangle
if (selection >= 0 && (selection != hover_item || (states & StateColor::Hovered) == 0)) {
rcContent.y += rowSize.y * selection;
if (selected_item >= 0 && (selected_item != hover_item || (states & StateColor::Hovered) == 0)) {
rcContent.y += rowSize.y * selected_item;
if (rcContent.GetBottom() > 0 && rcContent.y < size.y) {
dc.SetBrush(wxBrush(selector_background_color.colorForStates(states | StateColor::Checked)));
dc.SetPen(wxPen(selector_background_color.colorForStates(states)));
@@ -256,8 +253,8 @@ void DropDown::render(wxDC &dc)
}
// draw position bar
if (rowSize.y * texts.size() > size.y) {
int height = rowSize.y * texts.size();
if (rowSize.y * count > size.y) {
int height = rowSize.y * count;
wxRect rect = {size.x - 6, -offset.y * size.y / height, 4,
size.y * size.y / height};
dc.SetPen(wxPen(border_color.defaultColor()));
@@ -271,26 +268,43 @@ void DropDown::render(wxDC &dc)
rcContent.width -= 5;
if (check_bitmap.bmp().IsOk()) {
auto szBmp = check_bitmap.GetBmpSize();
if (selection >= 0) {
if (selected_item >= 0) {
wxPoint pt = rcContent.GetLeftTop();
pt.y += (rcContent.height - szBmp.y) / 2;
pt.y += rowSize.y * selection;
pt.y += rowSize.y * selected_item;
if (pt.y + szBmp.y > 0 && pt.y < size.y)
dc.DrawBitmap(check_bitmap.bmp(), pt);
}
rcContent.x += szBmp.x + 5;
rcContent.width -= szBmp.x + 5;
}
std::set<wxString> groups;
// draw texts & icons
dc.SetTextForeground(text_color.colorForStates(states));
for (int i = 0; i < texts.size(); ++i) {
int index = 0;
for (int i = 0; i < items.size(); ++i) {
auto &item = items[i];
// Skip by group
if (group.IsEmpty()) {
if (!item.group.IsEmpty()) {
if (groups.find(item.group) == groups.end())
groups.insert(item.group);
else
continue;
}
} else {
if (item.group != group)
continue;
}
++index;
if (rcContent.GetBottom() < 0) {
rcContent.y += rowSize.y;
continue;
}
if (rcContent.y > size.y) break;
wxPoint pt = rcContent.GetLeftTop();
auto & icon = icons[i];
auto & icon = item.icon;
auto size2 = GetBmpSize(icon);
if (iconSize.x > 0) {
if (icon.IsOk()) {
@@ -305,11 +319,13 @@ void DropDown::render(wxDC &dc)
pt.x += size2.x + 5;
pt.y = rcContent.y;
}
auto text = texts[i];
auto text = group.IsEmpty()
? (item.group.IsEmpty() ? item.text : item.group)
: item.text.substr(group.size()).Trim(false);
if (!text_off && !text.IsEmpty()) {
wxSize tSize = dc.GetMultiLineTextExtent(text);
if (pt.x + tSize.x > rcContent.GetRight()) {
if (i == hover_item && tips[i].IsEmpty())
if (index == hover_item && item.tip.IsEmpty())
SetToolTip(text);
text = wxControl::Ellipsize(text, dc, wxELLIPSIZE_END,
rcContent.GetRight() - pt.x);
@@ -322,16 +338,98 @@ void DropDown::render(wxDC &dc)
}
}
int DropDown::hoverIndex()
{
if (hover_item < 0)
return -1;
if (count == items.size())
return hover_item;
int index = -1;
std::set<wxString> groups;
for (size_t i = 0; i < items.size(); ++i) {
auto &item = items[i];
// Skip by group
if (group.IsEmpty()) {
if (!item.group.IsEmpty()) {
if (groups.find(item.group) == groups.end())
groups.insert(item.group);
else
continue;
}
} else {
if (item.group != group)
continue;
}
if (++index == hover_item)
return (item.group.IsEmpty() || !group.IsEmpty()) ? i : -i - 2;
}
return -1;
}
int DropDown::selectedItem()
{
if (selection < 0)
return -1;
if (count == items.size())
return selection;
auto & sel = items[selection];
if (group.IsEmpty() ? !sel.group.IsEmpty() : sel.group != group)
return -1;
if (selection == 0)
return 0;
int index = 0;
std::set<wxString> groups;
for (size_t i = 0; i < selection; ++i) {
auto &item = items[i];
// Skip by group
if (group.IsEmpty()) {
if (!item.group.IsEmpty()) {
if (groups.find(item.group) == groups.end())
groups.insert(item.group);
else
continue;
}
} else {
if (item.group != group)
continue;
}
++index;
}
return index;
}
void DropDown::messureSize()
{
if (!need_sync) return;
textSize = wxSize();
iconSize = wxSize();
count = 0;
wxClientDC dc(GetParent() ? GetParent() : this);
for (size_t i = 0; i < texts.size(); ++i) {
wxSize size1 = text_off ? wxSize() : dc.GetMultiLineTextExtent(texts[i]);
if (icons[i].IsOk()) {
wxSize size2 = GetBmpSize(icons[i]);
std::set<wxString> groups;
for (size_t i = 0; i < items.size(); ++i) {
auto &item = items[i];
// Skip by group
if (group.IsEmpty()) {
if (!item.group.IsEmpty()) {
if (groups.find(item.group) == groups.end())
groups.insert(item.group);
else
continue;
}
} else {
if (item.group != group)
continue;
}
++count;
wxSize size1;
if (!text_off) {
auto text = group.IsEmpty()
? (item.group.IsEmpty() ? item.text : item.group)
: item.text.substr(group.size()).Trim(false);
size1 = dc.GetMultiLineTextExtent(text);
}
if (item.icon.IsOk()) {
wxSize size2 = GetBmpSize(item.icon);
if (size2.x > iconSize.x)
iconSize = size2;
if (!align_icon) {
@@ -350,8 +448,8 @@ void DropDown::messureSize()
if (iconSize.x > 0) szContent.x += iconSize.x + (text_off ? 0 : 5);
if (iconSize.y > szContent.y) szContent.y = iconSize.y;
szContent.y += 10;
if (texts.size() > 15) szContent.x += 6;
if (GetParent()) {
if (count > 15) szContent.x += 6;
if (GetParent() && group.IsEmpty()) {
auto x = GetParent()->GetSize().x;
if (!use_content_width || x > szContent.x)
szContent.x = x;
@@ -364,38 +462,66 @@ void DropDown::messureSize()
szContent = rowSize;
}
}
szContent.y *= std::min((size_t)15, texts.size());
szContent.y += texts.size() > 15 ? rowSize.y / 2 : 0;
szContent.y *= std::min((size_t) 15, count);
szContent.y += items.size() > 15 ? rowSize.y / 2 : 0;
wxWindow::SetSize(szContent);
#ifdef __WXGTK__
// Gtk has a wrapper window for popup widget
gtk_window_resize (GTK_WINDOW (m_widget), szContent.x, szContent.y);
#endif
if (!groups.empty() && subDropDown == nullptr) {
subDropDown = new DropDown(items);
subDropDown->mainDropDown = this;
subDropDown->check_bitmap = check_bitmap;
subDropDown->text_off = text_off;
subDropDown->use_content_width = true;
subDropDown->Create(GetParent());
subDropDown->Bind(wxEVT_COMBOBOX, [this](wxCommandEvent &e) {
e.SetEventObject(this);
e.SetId(GetId());
GetEventHandler()->ProcessEvent(e);
});
}
need_sync = false;
}
void DropDown::autoPosition()
{
messureSize();
wxPoint pos = GetParent()->ClientToScreen(wxPoint(0, -6));
wxPoint pos;
wxSize off;
if (mainDropDown) {
pos = mainDropDown->ClientToScreen(wxPoint(0, 0));
off = mainDropDown->GetSize();
pos.x += 6;
pos.y += mainDropDown->hover_item * rowSize.y + rowSize.y + mainDropDown->offset.y;
off.x -= 12;
off.y = -rowSize.y;
} else {
pos = GetParent()->ClientToScreen(wxPoint(0, 0));
off = GetParent()->GetSize();
pos.y -= 6;
off.x = 0;
off.y += 12;
}
wxPoint old = GetPosition();
wxSize size = GetSize();
Position(pos, {0, GetParent()->GetSize().y + 12});
Position(pos, off);
if (old != GetPosition()) {
size = rowSize;
size.y *= std::min((size_t)15, texts.size());
size.y += texts.size() > 15 ? rowSize.y / 2 : 0;
size.y *= std::min((size_t) 15, count);
size.y += count > 15 ? rowSize.y / 2 : 0;
if (size != GetSize()) {
wxWindow::SetSize(size);
offset = wxPoint();
Position(pos, {0, GetParent()->GetSize().y + 12});
Position(pos, off);
}
}
if (GetPosition().y > pos.y) {
// may exceed
auto drect = wxDisplay(GetParent()).GetGeometry();
if (GetPosition().y + size.y + 10 > drect.GetBottom()) {
if (use_content_width && texts.size() <= 15) size.x += 6;
if (use_content_width && count <= 15) size.x += 6;
size.y = drect.GetBottom() - GetPosition().y - 10;
wxWindow::SetSize(size);
if (selection >= 0) {
@@ -443,14 +569,26 @@ void DropDown::mouseCaptureLost(wxMouseCaptureLostEvent &event)
void DropDown::mouseMove(wxMouseEvent &event)
{
wxPoint pt = event.GetPosition();
#ifdef __WXOSX__
if (mainDropDown) {
auto size = GetSize();
if (pt.x < 0 || pt.y < 0 || pt.x >= size.x || pt.y >= size.y) {
auto diff = GetPosition() - mainDropDown->GetPosition();
event.SetX(pt.x + diff.x);
event.SetY(pt.y + diff.y);
mainDropDown->mouseMove(event);
return;
}
}
#endif
if (pressedDown) {
wxPoint pt2 = offset + pt - dragStart;
wxSize size = GetSize();
dragStart = pt;
if (pt2.y > 0)
pt2.y = 0;
else if (pt2.y + rowSize.y * int(texts.size()) < size.y)
pt2.y = size.y - rowSize.y * int(texts.size());
else if (pt2.y + rowSize.y * int(count) < size.y)
pt2.y = size.y - rowSize.y * int(count);
if (pt2.y != offset.y) {
offset = pt2;
hover_item = -1; // moved
@@ -460,10 +598,26 @@ void DropDown::mouseMove(wxMouseEvent &event)
}
if (!pressedDown || hover_item >= 0) {
int hover = (pt.y - offset.y) / rowSize.y;
if (hover >= (int) texts.size()) hover = -1;
if (hover >= (int) count) hover = -1;
if (hover == hover_item) return;
hover_item = hover;
if (hover >= 0) SetToolTip(tips[hover]);
int index = hoverIndex();
if (index < -1) {
auto & drop = *subDropDown;
drop.group = items[-index - 2].group;
drop.need_sync = true;
drop.messureSize();
drop.autoPosition();
drop.paintNow();
if (!drop.IsShown())
drop.Popup(&drop);
} else if (index >= 0) {
if (subDropDown) {
if (subDropDown->IsShown())
subDropDown->Dismiss();
}
SetToolTip(items[index].tip);
}
}
paintNow();
}
@@ -475,18 +629,18 @@ void DropDown::mouseWheelMoved(wxMouseEvent &event)
wxPoint pt2 = offset + wxPoint{0, delta};
if (pt2.y > 0)
pt2.y = 0;
else if (pt2.y + rowSize.y * int(texts.size()) < size.y)
pt2.y = size.y - rowSize.y * int(texts.size());
else if (pt2.y + rowSize.y * int(count) < size.y)
pt2.y = size.y - rowSize.y * int(count);
if (pt2.y != offset.y) {
offset = pt2;
} else {
return;
}
int hover = (event.GetPosition().y - offset.y) / rowSize.y;
if (hover >= (int) texts.size()) hover = -1;
if (hover >= (int) count) hover = -1;
if (hover != hover_item) {
hover_item = hover;
if (hover >= 0) SetToolTip(tips[hover]);
if (hover >= 0) SetToolTip(items[hover].tip);
}
paintNow();
}
@@ -494,15 +648,38 @@ void DropDown::mouseWheelMoved(wxMouseEvent &event)
// currently unused events
void DropDown::sendDropDownEvent()
{
int index = hoverIndex();
if (index < 0)
return;
wxCommandEvent event(wxEVT_COMBOBOX, GetId());
event.SetEventObject(this);
event.SetInt(hover_item);
event.SetString(texts[hover_item]);
event.SetInt(index);
event.SetString(items[index].text);
GetEventHandler()->ProcessEvent(event);
}
void DropDown::Dismiss()
{
if (subDropDown && subDropDown->IsShown())
return;
PopupWindow::Dismiss();
}
void DropDown::OnDismiss()
{
if (mainDropDown) {
if (mainDropDown->hover_item < 0)
mainDropDown->DismissAndNotify();
else
#ifdef __WIN32__
SetActiveWindow(mainDropDown->GetHandle());
#else
;
#endif
return;
}
if (subDropDown && subDropDown->IsShown())
return;
dismissTime = boost::posix_time::microsec_clock::universal_time();
hover_item = -1;
wxCommandEvent e(EVT_DISMISS);