bsnes-libretro/hiro/extension/browser-dialog.cpp
Tim Allen 22bd4b9277 Update to v106r52 release.
byuu says:

I stand corrected, I managed to create and even larger diff than ever.
This one weighs in at 309KiB `>__>`

I'll have to create a changelog later, I'm too tired right now to go
through all of that.
2018-07-25 22:24:03 +10:00

326 lines
10 KiB
C++

#if defined(Hiro_BrowserDialog)
struct BrowserDialogWindow {
Application::Namespace tr{"BrowserDialog"};
BrowserDialogWindow(BrowserDialog::State& state) : state(state) {}
auto accept() -> void;
auto activate() -> void;
auto change() -> void;
auto isFolder(const string& name) -> bool;
auto isMatch(const string& name) -> bool;
auto run() -> BrowserDialog::Response;
auto setPath(string path) -> void;
private:
Window window;
VerticalLayout layout{&window};
HorizontalLayout pathLayout{&layout, Size{~0, 0}, 5};
LineEdit pathName{&pathLayout, Size{~0, 0}, 0};
Button pathRefresh{&pathLayout, Size{0, 0}, 0};
Button pathHome{&pathLayout, Size{0, 0}, 0};
Button pathUp{&pathLayout, Size{0, 0}, 0};
ListView view{&layout, Size{~0, ~0}, 5};
HorizontalLayout controlLayout{&layout, Size{~0, 0}};
ComboButton filterList{&controlLayout, Size{0, 0}, 5};
LineEdit fileName{&controlLayout, Size{~0, 0}, 5};
ComboButton optionList{&controlLayout, Size{0, 0}, 5};
Button acceptButton{&controlLayout, Size{80, 0}, 5};
Button cancelButton{&controlLayout, Size{80, 0}, 5};
BrowserDialog::State& state;
BrowserDialog::Response response;
vector<vector<string>> filters;
};
//accept button clicked, or enter pressed on file name line edit
//also called by table view activate after special case handling
auto BrowserDialogWindow::accept() -> void {
auto batched = view.batched();
if(state.action == "openFile" && batched.size() == 1) {
string name = batched[0].text();
if(isFolder(name)) return setPath({state.path, name});
response.selected.append(string{state.path, name});
}
if(state.action == "openFiles" && batched) {
for(auto item : batched) {
string name = item.text();
if(isFolder(name)) {
response.selected.reset();
return;
}
response.selected.append(string{state.path, name});
}
}
if(state.action == "openFolder" && batched.size() == 1) {
string name = batched[0].text();
if(!isMatch(name)) return setPath({state.path, name});
response.selected.append(string{state.path, name, "/"});
}
if(state.action == "openObject" && batched.size() == 1) {
string name = batched[0].text();
if(!isMatch(name) && isFolder(name)) return setPath({state.path, name});
response.selected.append(string{state.path, name, isFolder(name) ? "/" : ""});
}
if(state.action == "saveFile") {
string name = fileName.text();
if(!name || isFolder(name)) return;
if(file::exists({state.path, name})) {
if(MessageDialog("File already exists. Overwrite it?").question() != "Yes") return;
}
response.selected.append(string{state.path, name});
}
if(state.action == "selectFolder") {
if(!batched) {
response.selected.append(state.path);
} else if(batched.size() == 1) {
string name = batched[0].text();
if(isFolder(name)) response.selected.append(string{state.path, name, "/"});
}
}
if(response.selected) window.setModal(false);
}
//table view item double-clicked, or enter pressed on selected table view item
auto BrowserDialogWindow::activate() -> void {
auto batched = view.batched();
if(state.action == "saveFile" && batched.size() == 1) {
string name = batched[0].text();
if(isFolder(name)) return setPath({state.path, name});
fileName.setText(name);
}
if(state.action == "selectFolder" && batched.size() == 1) {
string name = batched[0].text();
if(isFolder(name)) return setPath({state.path, name});
}
accept();
}
//table view item changed
auto BrowserDialogWindow::change() -> void {
auto batched = view.batched();
if(state.action == "openFile") {
acceptButton.setEnabled(batched.size() == 1);
}
if(state.action == "openFiles") {
bool enabled = true;
for(auto item : batched) enabled &= !isFolder(item.text());
if(batched.size() == 1 && isFolder(batched[0].text())) enabled = true;
acceptButton.setEnabled(enabled);
}
if(state.action == "openFolder") {
acceptButton.setEnabled(batched.size() == 1);
}
if(state.action == "openObject") {
acceptButton.setEnabled(batched.size() == 1);
}
if(state.action == "saveFile") {
if(batched.size() == 1) {
string name = batched[0].text();
if(!isFolder(name)) fileName.setText(name).doChange();
}
}
if(state.action == "selectFolder") {
acceptButton.setEnabled(!batched || (batched.size() == 1 && isFolder(batched[0].text())));
}
}
auto BrowserDialogWindow::isFolder(const string& name) -> bool {
return directory::exists({state.path, name});
}
auto BrowserDialogWindow::isMatch(const string& name) -> bool {
if(auto selectedItem = filterList.selected()) {
for(auto& filter : filters[selectedItem->offset()]) {
if(name.match(filter)) return true;
}
}
return false;
}
auto BrowserDialogWindow::run() -> BrowserDialog::Response {
response = {};
layout.setPadding(5);
pathName.onActivate([&] { setPath(pathName.text()); });
pathRefresh.setBordered(false).setIcon(Icon::Action::Refresh).onActivate([&] { setPath(state.path); });
pathHome.setBordered(false).setIcon(Icon::Go::Home).onActivate([&] { setPath(Path::user()); });
pathUp.setBordered(false).setIcon(Icon::Go::Up).onActivate([&] { setPath(Location::dir(state.path)); });
view.setBatchable(state.action == "openFiles").onActivate([&] { activate(); }).onChange([&] { change(); });
filterList.setVisible(state.action != "selectFolder").onChange([&] { setPath(state.path); });
for(auto& filter : state.filters) {
auto part = filter.split("|", 1L);
filterList.append(ComboButtonItem().setText(part.left()));
}
optionList.setVisible((bool)state.options).onChange([&] { response.option = optionList.selected().text(); });
for(auto& option : state.options) {
optionList.append(ComboButtonItem().setText(option));
}
optionList.doChange(); //updates response.option to point to the default (first) option
fileName.setVisible(state.action == "saveFile").onActivate([&] { accept(); }).onChange([&] {
auto name = fileName.text();
acceptButton.setEnabled(name && !isFolder(name));
fileName.setBackgroundColor(acceptButton.enabled() ? Color{} : Color{255, 224, 224});
});
acceptButton.onActivate([&] { accept(); });
if(state.action.beginsWith("open")) acceptButton.setText(tr("Open"));
if(state.action.beginsWith("save")) acceptButton.setText(tr("Save"));
if(state.action.beginsWith("select")) acceptButton.setText(tr("Select"));
cancelButton.setText(tr("Cancel")).onActivate([&] { window.setModal(false); });
if(!state.filters) state.filters.append("All|*");
for(auto& filter : state.filters) {
auto part = filter.split("|", 1L);
filters.append(part.right().split(":"));
}
setPath(state.path);
window.onClose([&] { window.setModal(false); });
window.setTitle(state.title);
window.setSize({640, 480});
window.setCentered(state.parent);
window.setDismissable();
window.setVisible();
view.setFocused();
window.setModal();
window.setVisible(false);
return response;
}
auto BrowserDialogWindow::setPath(string path) -> void {
path.transform("\\", "/");
if((path || Path::root() == "/") && !path.endsWith("/")) path.append("/");
pathName.setText(state.path = path);
view.reset();
auto contents = directory::icontents(path);
for(auto content : contents) {
bool isFolder = content.endsWith("/");
if(isFolder) {
content.trimRight("/", 1L);
if(state.action == "openFolder" || state.action == "openObject") {
if(isMatch(content)) continue;
}
} else {
continue;
}
view.append(ListViewItem().setText(content).setIcon(Icon::Emblem::Folder));
}
for(auto content : contents) {
bool isFolder = content.endsWith("/");
if(isFolder) {
content.trimRight("/", 1L);
if(state.action != "openFolder" && state.action != "openObject") continue;
} else {
if(state.action == "openFolder") continue;
}
if(!isMatch(content)) continue;
view.append(ListViewItem().setText(content).setIcon(isFolder ? Icon::Action::Open : Icon::Emblem::File));
}
Application::processEvents();
view->resizeColumns(); //todo: on Windows, adding items may add vertical scrollbar; this hack corrects column width
view.setFocused().doChange();
}
//
BrowserDialog::BrowserDialog() {
}
auto BrowserDialog::openFile() -> string {
state.action = "openFile";
if(!state.title) state.title = "Open File";
if(auto result = _run()) return result.left();
return {};
}
auto BrowserDialog::openFiles() -> vector<string> {
state.action = "openFiles";
if(!state.title) state.title = "Open Files";
if(auto result = _run()) return result;
return {};
}
auto BrowserDialog::openFolder() -> string {
state.action = "openFolder";
if(!state.title) state.title = "Open Folder";
if(auto result = _run()) return result.left();
return {};
}
auto BrowserDialog::openObject() -> string {
state.action = "openObject";
if(!state.title) state.title = "Open Object";
if(auto result = _run()) return result.left();
return {};
}
auto BrowserDialog::option() -> string {
return response.option;
}
auto BrowserDialog::saveFile() -> string {
state.action = "saveFile";
if(!state.title) state.title = "Save File";
if(auto result = _run()) return result.left();
return {};
}
auto BrowserDialog::selected() -> vector<string> {
return response.selected;
}
auto BrowserDialog::selectFolder() -> string {
state.action = "selectFolder";
if(!state.title) state.title = "Select Folder";
if(auto result = _run()) return result.left();
return {};
}
auto BrowserDialog::setFilters(const vector<string>& filters) -> type& {
state.filters = filters;
return *this;
}
auto BrowserDialog::setOptions(const vector<string>& options) -> type& {
state.options = options;
return *this;
}
auto BrowserDialog::setParent(const sWindow& parent) -> type& {
state.parent = parent;
return *this;
}
auto BrowserDialog::setPath(const string& path) -> type& {
state.path = path;
return *this;
}
auto BrowserDialog::setTitle(const string& title) -> type& {
state.title = title;
return *this;
}
auto BrowserDialog::_run() -> vector<string> {
if(!state.path) state.path = Path::user();
response = BrowserDialogWindow(state).run();
return response.selected;
}
#endif