GUIComponent *GUIComponent::get_named_item(const std::string &id)
{
GUIComponent *cur = impl->first_child;
while (cur && cur != this)
{
if (cur->get_id() == id)
return cur;
if (cur->impl->first_child)
cur = cur->impl->first_child;
else if (cur->impl->next_sibling)
cur = cur->impl->next_sibling;
else
{
while (cur != this)
{
if (cur->impl->parent->impl->next_sibling)
{
cur = cur->impl->parent->impl->next_sibling;
break;
}
else
cur = cur->impl->parent;
}
}
}
return 0;
}
EvidyonGUIButton* EvidyonGUIScrollableButtonList::button(int id) {
GUIComponent* component = list_.getComponent(id);
if (!component) {
component = new Button(this, id);
GUICanvas* canvas = component->getCanvas();
canvas->alignXLeft(0);
canvas->alignYTop(0);
canvas->relativeWidth(0);
canvas->relativeHeight(0);
canvas->relativeDepth(0.0f);
list_.setComponent(id, component);
}
return reinterpret_cast<EvidyonGUIButton*>(component);
}
GUIComponent *GUIComponent::get_top_level_component()
{
GUIComponent *parent = this;
while (true)
{
if (parent->get_parent_component())
parent = parent->get_parent_component();
else
break;
}
return parent;
}
GUIComponent *GUIComponent::get_group_selected_component()
{
GUIComponent *parent = get_parent_component();
if (parent)
{
std::vector<GUIComponent*> group = parent->get_child_component_group(get_component_group_name());
std::vector<GUIComponent*>::size_type i;
for (i = 0; i < group.size(); i++)
{
if (group[i]->is_selected_in_group())
{
return group[i];
}
}
}
return 0;
}
GUIComponent *GUIComponent::get_next_component_in_tree()
{
if (has_child_components())
return get_first_child();
if (impl->next_sibling)
return impl->next_sibling;
GUIComponent *parent = impl->parent;
while (parent)
{
if (parent->get_next_sibling())
return parent->get_next_sibling();
parent = parent->get_parent_component();
}
// Reached end of tree. Return first item.
return get_top_level_component();
}
void GUIComponent::focus_previous()
{
GUIComponent *c = this;
// Skip over components in the same group:
if (get_focus_policy() == focus_group)
{
while (c->impl->prev_sibling && c->get_component_group_name() == this->get_component_group_name())
{
c = c->impl->prev_sibling;
}
}
else
c = c->get_previous_component_in_tree();
while (c != this)
{
if ((c->get_focus_policy() == focus_local || c->get_focus_policy() == focus_group) && c->is_visible() && c->is_enabled())
{
if (c->get_focus_policy() == focus_group)
{
GUIComponent *selected_comp = c->get_group_selected_component();
if (selected_comp)
{
selected_comp->set_focus(true);
}
else
{
c->set_focus(true);
}
}
else
{
c->set_focus(true);
}
break;
}
c = c->get_previous_component_in_tree();
}
}
GUIComponent *GUIComponent::get_component_at(const Point &point)
{
if (is_visible() == false)
{
return 0;
}
else
{
Rect parent_rect = get_size();
if( parent_rect.contains(point) )
{
std::vector<GUIComponent *> children = get_child_components();
std::size_t pos, size = children.size();
for( pos=size; pos>0; pos-- )
{
GUIComponent *child = children[pos-1];
if(child->is_visible())
{
if (child->get_geometry().contains(point))
{
Point P = point;
P.x -= child->get_geometry().left;
P.y -= child->get_geometry().top;
GUIComponent *comp = child->get_component_at(P);
if (comp)
return comp;
else
return child;
}
}
}
return this;
}
else
{
return 0;
}
}
}
void GUIFindPreferredHeight::flex_vertical_node(GUIComponent_Impl *node)
{
node->css_used_values.height = node->component->get_preferred_content_height(node->css_used_values.width);
CSSUsedValue preferred_height = 0.0f;
for (GUIComponent *child = node->first_child; child != 0; child = child->get_next_sibling())
{
if (is_normal_flow(child->impl.get()))
{
GUICSSUsedValues &child_used_values = child->impl->css_used_values;
// If the height of the box cannot be determined from CSS, then ask the component:
if (child_used_values.height_undetermined)
{
GUICSSDisplayVisitor::node(child->impl.get());
}
preferred_height += get_used_noncontent_height(child_used_values) + child_used_values.height;
}
}
node->css_used_values.height = std::max(node->css_used_values.height, preferred_height);
GUICSSApplyMinMaxConstraints::visit(node->css_used_values, node->element.get_css_values().get_box(), node->parent->impl->css_used_values);
}
GUIComponent *GUIComponent::get_previous_component_in_tree()
{
if (impl->prev_sibling)
{
// return last grand-child of sibling.
if (impl->prev_sibling->has_child_components())
{
GUIComponent *last = impl->prev_sibling->impl->last_child;
while (last->has_child_components())
{
last = last->get_last_child();
}
return last;
}
else
{
// sibling has no children, return sibling.
return impl->prev_sibling;
}
}
// no previous sibling, return parent.
if (impl->parent)
return impl->parent;
// No parent, must be top-level component. Find last child.
GUIComponent *last = impl->last_child;
// No child, must be a lonely top-level component.
if(last == 0)
return this;
while (last->has_child_components())
{
last = last->get_last_child();
}
return last;
}
bool show()
{
#if defined(WIN32)
std::wstring title16 = StringHelp::utf8_to_ucs2(title);
std::wstring initial_directory16 = StringHelp::utf8_to_ucs2(initial_directory);
if(is_vista_or_later())
{
HRESULT result;
ComPtr<IFileOpenDialog> open_dialog;
result = CoCreateInstance(__uuidof(FileOpenDialog), NULL, CLSCTX_ALL, __uuidof(open_dialog), reinterpret_cast<void**>(open_dialog.output_variable()));
throw_if_failed(result, "CoCreateInstance(FileOpenDialog) failed");
result = open_dialog->SetTitle(title16.c_str());
throw_if_failed(result, "IFileOpenDialog.SetTitle failed");
result = open_dialog->SetOptions(FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
throw_if_failed(result, "IFileOpenDialog.SetOptions((FOS_PICKFOLDERS) failed");
if(initial_directory16.length() > 0)
{
LPITEMIDLIST item_id_list = NULL;
SFGAOF flags = 0;
result = SHParseDisplayName(initial_directory16.c_str(), NULL, &item_id_list, SFGAO_FILESYSTEM, &flags);
throw_if_failed(result, "SHParseDisplayName failed");
ComPtr<IShellItem> folder_item;
result = SHCreateShellItem(NULL, NULL, item_id_list, folder_item.output_variable());
ILFree(item_id_list);
throw_if_failed(result, "SHCreateItemFromParsingName failed");
/* This code requires Windows Vista or newer:
ComPtr<IShellItem> folder_item;
result = SHCreateItemFromParsingName(initial_directory16.c_str(), NULL, IID_PPV_ARGS(folder_item.output_variable()));
throw_if_failed(result, "SHCreateItemFromParsingName failed");
*/
if(!folder_item.is_null())
{
result = open_dialog->SetFolder(folder_item);
throw_if_failed(result, "IFileOpenDialog.SetFolder failed");
}
}
if(owner)
result = open_dialog->Show(owner->get_display_window().get_hwnd());
else
result = open_dialog->Show(0);
if(SUCCEEDED(result))
{
ComPtr<IShellItem> chosen_folder;
result = open_dialog->GetResult(chosen_folder.output_variable());
throw_if_failed(result, "IFileOpenDialog.GetResult failed");
WCHAR *buffer = 0;
result = chosen_folder->GetDisplayName(SIGDN_FILESYSPATH, &buffer);
throw_if_failed(result, "IShellItem.GetDisplayName failed");
std::wstring output_directory16;
try
{
output_directory16 = buffer;
}
catch (...)
{
CoTaskMemFree(buffer);
throw;
}
CoTaskMemFree(buffer);
selected_path = StringHelp::ucs2_to_utf8(output_directory16);
return true;
}
else
{
return false;
}
}
else
{
BROWSEINFO bi;
ZeroMemory(&bi, sizeof(bi));
std::wstring::value_type path_buffer[FILENAME_MAX] = { 0 };
WCHAR Buffer[MAX_PATH];
memset(Buffer, 0, sizeof(WCHAR) * MAX_PATH);
if(owner)
bi.hwndOwner = owner->get_display_window().get_hwnd();
else
bi.hwndOwner = 0;
bi.pszDisplayName = Buffer;
bi.lpszTitle = title16.c_str();
bi.ulFlags = BIF_EDITBOX | BIF_NEWDIALOGSTYLE | BIF_RETURNONLYFSDIRS | BIF_SHAREABLE;
LPCITEMIDLIST pFolder = SHBrowseForFolder(&bi);
if (pFolder == NULL)
return false;
if (!SHGetPathFromIDList(pFolder, path_buffer))
throw Exception("Bad path for Browse Folder Dialog");
selected_path = StringHelp::ucs2_to_utf8(path_buffer);
return true;
}
#elif defined(__APPLE__)
// To do: add cocoa code here
return false;
#elif defined(I_LOVE_AUTOHELL_AND_FIXED_THE_GTK_CHECK)
if (!gtk_init_check(NULL, NULL))
throw Exception("gtk_init_check Failed!");
GtkWidget *dialog;
dialog = gtk_file_chooser_dialog_new ("Open File",
NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
{
char *filename;
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
//printf("%s\n", filename);
g_free (filename);
}
gtk_widget_destroy (dialog);
unsigned int x_time = System::get_time();
while(true)
{
if(owner)
XSync(owner->get_display_window().get_display(), True);
gtk_main_iteration_do(FALSE);
unsigned int x_time_now = System::get_time();
if ((x_time_now - x_time) > 250)
break;
}
bool success = false;
return success;
#else
return false;
#endif
}
void RadioButton_Impl::on_process_message(std::shared_ptr<GUIMessage> &msg)
{
if (!radio->is_enabled())
return;
std::shared_ptr<GUIMessage_Input> input_msg = std::dynamic_pointer_cast<GUIMessage_Input>(msg);
if (input_msg)
{
const InputEvent &e = input_msg->input_event;
if (e.type == InputEvent::pressed && e.id == mouse_left)
{
part_checker.set_pseudo_class(CssStr::pressed, true);
radio->request_repaint();
msg->consumed = true;
}
else if (e.type == InputEvent::released && e.id == mouse_left)
{
if ((part_checker.get_pseudo_class(CssStr::checked) == false))
{
Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component());
part_checker.set_pseudo_class(CssStr::pressed, false);
radio->set_selected(true);
if (!cb.is_null())
cb.invoke(radio);
if (!func_selected.is_null())
func_selected.invoke();
}
else
{
part_checker.set_pseudo_class(CssStr::pressed, false);
radio->request_repaint();
}
radio->set_focus(true);
msg->consumed = true;
}
else if (e.type == InputEvent::pressed && (e.id == keycode_left || e.id == keycode_up))
{
std::vector<GUIComponent*> group = radio->get_parent_component()->get_child_component_group(radio->get_component_group_name());
// find previous visible & enabled radiobutton in the same group:
GUIComponent *comp = radio->get_previous_sibling();
if (comp == 0)
comp = group.back();
while (comp != radio)
{
if (comp->is_visible() && comp->is_enabled() && comp->get_component_group_name() == radio->get_component_group_name())
{
RadioButton *focus_comp = dynamic_cast<RadioButton*>(comp);
if (focus_comp)
{
Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component());
focus_comp->set_selected(true);
if (!cb.is_null())
cb.invoke(focus_comp);
if (!focus_comp->func_selected().is_null())
focus_comp->func_selected().invoke();
focus_comp->set_focus();
break;
}
}
if (!comp->get_previous_sibling() || comp->get_previous_sibling()->get_component_group_name() != radio->get_component_group_name())
{
// reach first item in group, loop around from the last:
comp = group.back();
}
else
comp = comp->get_previous_sibling();
}
msg->consumed = true;
}
else if (e.type == InputEvent::pressed && (e.id == keycode_right || e.id == keycode_down))
{
std::vector<GUIComponent*> group = radio->get_parent_component()->get_child_component_group(radio->get_component_group_name());
// find next visible & enabled radiobutton in the same group:
GUIComponent *comp = radio->get_next_sibling();
if (comp == 0 || comp->get_component_group_name() != radio->get_component_group_name())
comp = group.front();
while (comp != radio)
{
if (comp->is_visible() && comp->is_enabled() && comp->get_component_group_name() == radio->get_component_group_name())
{
RadioButton *focus_comp = dynamic_cast<RadioButton*>(comp);
if (focus_comp)
{
Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component());
focus_comp->set_selected(true);
if (!cb.is_null())
cb.invoke(focus_comp);
if (!focus_comp->func_selected().is_null())
focus_comp->func_selected().invoke();
focus_comp->set_focus();
break;
}
}
if (!comp->get_previous_sibling() || comp->get_previous_sibling()->get_component_group_name() != radio->get_component_group_name())
{
// reach first item in group, loop around from the last:
comp = group.back();
}
else
comp = comp->get_next_sibling();
}
msg->consumed = true;
}
}
std::shared_ptr<GUIMessage_Pointer> pointer = std::dynamic_pointer_cast<GUIMessage_Pointer>(msg);
if (pointer)
{
if (pointer->pointer_type == GUIMessage_Pointer::pointer_enter)
{
part_checker.set_pseudo_class(CssStr::hover, true);
radio->request_repaint();
}
else
{
part_checker.set_pseudo_class(CssStr::hover, false);
radio->request_repaint();
}
}
std::shared_ptr<GUIMessage_FocusChange> focus_change_msg = std::dynamic_pointer_cast<GUIMessage_FocusChange>(msg);
if (focus_change_msg)
{
if (focus_change_msg->focus_type == GUIMessage_FocusChange::gained_focus)
{
radio->set_pseudo_class(CssStr::focused, true);
if (!radio->is_selected())
{
Callback_v1<RadioButton*> cb = uncheck_radio_buttons(radio->get_parent_component());
radio->set_selected(true);
if (!cb.is_null())
cb.invoke(radio);
if (!func_selected.is_null())
func_selected.invoke();
}
radio->request_repaint();
}
else
{
radio->set_pseudo_class(CssStr::focused, false);
radio->request_repaint();
}
msg->consumed = true;
}
}
void GUIComponent::render(Canvas &canvas, const Rect &clip_rect, bool include_children)
{
if (!impl->visible)
return;
Rect viewport = get_top_level_component()->get_size();
CSSResourceCache *resource_cache = &impl->gui_manager_impl->resource_cache;
CSSLayoutGraphics graphics(canvas, resource_cache, viewport, 0);
Rect border_box = get_size();
Rect padding_box = Rect(border_box).shrink(impl->css_used_values.border.left, impl->css_used_values.border.top, impl->css_used_values.border.right, impl->css_used_values.border.bottom);
Rect content_box = Rect(padding_box).shrink(impl->css_used_values.padding.left, impl->css_used_values.padding.top, impl->css_used_values.padding.right, impl->css_used_values.padding.bottom);
CSSBackgroundRenderer background(&graphics, resource_cache, impl->element.get_css_values().get_background());
background.set_border_box(border_box);
background.set_padding_box(padding_box);
background.set_content_box(content_box);
background.set_initial_containing_box(get_top_level_component()->get_viewport());
background.render();
CSSBorderRenderer border(&graphics, resource_cache, impl->element.get_css_values().get_border());
border.set_border_box(border_box);
border.set_border_values(impl->css_used_values.border.left, impl->css_used_values.border.top, impl->css_used_values.border.right, impl->css_used_values.border.bottom);
border.render();
if (impl->func_render.is_null() == false)
{
impl->func_render.invoke(canvas, clip_rect);
}
else
{
//GUIThemePart part(this);
//Rect geometry = get_size();
//part.render_box(canvas, RectPS(0, 0, geometry.get_width(), geometry.get_height()), clip_rect);
}
if (include_children)
{
if (impl->clip_children)
{
push_cliprect(canvas, impl->clip_children_rect);
}
GUIComponent *cur = impl->first_child;
while (cur)
{
Rect cur_geometry = cur->get_geometry();
Rect update_rect = component_to_window_coords(clip_rect);
update_rect.overlap(component_to_window_coords(cur_geometry));
if (update_rect.get_width() > 0 && update_rect.get_height() > 0)
{
Rect child_dirty_rect = cur->window_to_component_coords(update_rect);
canvas.push_translate((float)cur_geometry.left, (float)cur_geometry.top);
cur->render(canvas, child_dirty_rect, true);
canvas.pop_modelview();
}
cur = cur->impl->next_sibling;
}
if (impl->clip_children)
{
pop_cliprect(canvas);
}
}
}
