refactor: don't wrap Bar in an optional

This commit is contained in:
Raphael Robatsch 2021-11-02 19:15:24 +01:00
parent 2f79dbd9fb
commit 945a93ed64
3 changed files with 41 additions and 40 deletions

View file

@ -66,13 +66,12 @@ void BarComponent::setText(const std::string& text)
pango_layout_set_text(pangoLayout.get(), _text->c_str(), _text->size());
}
Bar::Bar(Monitor* mon)
Bar::Bar()
{
_mon = mon;
_pangoContext.reset(pango_font_map_create_context(pango_cairo_font_map_get_default()));
if (!_pangoContext) die("pango_font_map_create_context");
for (auto i=0u; i<tagNames.size(); i++) {
_tags.push_back({ TagState::None, 0, 0, createComponent(tagNames[i]) });
for (const auto& tagName : tagNames) {
_tags.push_back({ TagState::None, 0, 0, createComponent(tagName) });
}
_layoutCmp = createComponent();
_titleCmp = createComponent();
@ -128,7 +127,7 @@ void Bar::invalidate()
wl_surface_commit(_surface.get());
}
void Bar::click(int x, int, int btn)
void Bar::click(Monitor* mon, int x, int, int btn)
{
Arg arg = {0};
Arg* argp = nullptr;
@ -150,7 +149,7 @@ void Bar::click(int x, int, int btn)
for (auto i = 0u; i < sizeof(buttons)/sizeof(buttons[0]); i++) {
const auto& button = buttons[i];
if (button.control == control && button.btn == btn) {
button.func(*_mon, *(argp ? argp : &button.arg));
button.func(*mon, *(argp ? argp : &button.arg));
return;
}
}

View file

@ -36,7 +36,6 @@ class Bar {
wl_unique_ptr<wl_surface> _surface;
wl_unique_ptr<zwlr_layer_surface_v1> _layerSurface;
wl_unique_ptr<PangoContext> _pangoContext;
Monitor* _mon;
std::optional<ShmBuffer> _bufs;
std::vector<Tag> _tags;
BarComponent _layoutCmp, _titleCmp, _statusCmp;
@ -60,7 +59,7 @@ class Bar {
void renderComponent(BarComponent& component);
BarComponent createComponent(const std::string& initial = {});
public:
Bar(Monitor *mon);
Bar();
const wl_surface* surface() const;
bool visible() const;
void show(wl_output* output);
@ -71,5 +70,5 @@ public:
void setTitle(const std::string& title);
void setStatus(const std::string& status);
void invalidate();
void click(int x, int y, int btn);
void click(Monitor* mon, int x, int y, int btn);
};

View file

@ -6,6 +6,7 @@
#include <sstream>
#include <list>
#include <optional>
#include <utility>
#include <vector>
#include <fcntl.h>
#include <signal.h>
@ -30,7 +31,7 @@ struct Monitor {
uint32_t registryName;
std::string xdgName;
wl_unique_ptr<wl_output> wlOutput;
std::optional<Bar> bar;
Bar bar;
bool desiredVisibility {true};
bool hasData;
uint32_t tags;
@ -38,7 +39,7 @@ struct Monitor {
struct SeatPointer {
wl_unique_ptr<wl_pointer> wlPointer;
Bar* focusedBar;
Monitor* focusedMonitor;
int x, y;
std::vector<int> btns;
};
@ -48,8 +49,8 @@ struct Seat {
std::optional<SeatPointer> pointer;
};
static Bar* barFromSurface(const wl_surface* surface);
static void setupMonitor(Monitor& monitor);
static Monitor* monitorFromSurface(const wl_surface* surface);
static void setupMonitor(uint32_t name, wl_output* output);
static void updatemon(Monitor &mon);
static void onReady();
static void setupStatusFifo();
@ -74,6 +75,7 @@ static wl_surface* cursorSurface;
static wl_cursor_image* cursorImage;
static bool ready;
static std::list<Monitor> monitors;
static std::vector<std::pair<uint32_t, wl_output*>> uninitializedOutputs;
static std::list<Seat> seats;
static Monitor* selmon;
static std::string lastStatus;
@ -114,19 +116,19 @@ static const struct zxdg_output_v1_listener xdgOutputListener = {
.description = [](void*, zxdg_output_v1*, const char*) { },
};
Bar* barFromSurface(const wl_surface* surface)
Monitor* monitorFromSurface(const wl_surface* surface)
{
auto mon = std::find_if(begin(monitors), end(monitors), [surface](const Monitor& mon) {
return mon.bar && mon.bar->surface() == surface;
return mon.bar.surface() == surface;
});
return mon != end(monitors) && mon->bar ? &*mon->bar : nullptr;
return mon != end(monitors) ? &*mon : nullptr;
}
static const struct wl_pointer_listener pointerListener = {
.enter = [](void* sp, wl_pointer* pointer, uint32_t serial,
wl_surface* surface, wl_fixed_t x, wl_fixed_t y)
{
auto& seat = *static_cast<Seat*>(sp);
seat.pointer->focusedBar = barFromSurface(surface);
seat.pointer->focusedMonitor = monitorFromSurface(surface);
if (!cursorImage) {
auto cursorTheme = wl_cursor_theme_load(nullptr, 24, shm);
cursorImage = wl_cursor_theme_get_cursor(cursorTheme, "left_ptr")->images[0];
@ -139,7 +141,7 @@ static const struct wl_pointer_listener pointerListener = {
},
.leave = [](void* sp, wl_pointer*, uint32_t serial, wl_surface*) {
auto& seat = *static_cast<Seat*>(sp);
seat.pointer->focusedBar = nullptr;
seat.pointer->focusedMonitor = nullptr;
},
.motion = [](void* sp, wl_pointer*, uint32_t, wl_fixed_t x, wl_fixed_t y) {
auto& seat = *static_cast<Seat*>(sp);
@ -158,9 +160,11 @@ static const struct wl_pointer_listener pointerListener = {
.axis = [](void* sp, wl_pointer*, uint32_t, uint32_t, wl_fixed_t) { },
.frame = [](void* sp, wl_pointer*) {
auto& seat = *static_cast<Seat*>(sp);
if (!seat.pointer->focusedBar) return;
auto mon = seat.pointer->focusedMonitor;
if (!mon)
return;
for (auto btn : seat.pointer->btns) {
seat.pointer->focusedBar->click(seat.pointer->x, seat.pointer->y, btn);
mon->bar.click(mon, seat.pointer->x, seat.pointer->y, btn);
}
seat.pointer->btns.clear();
},
@ -185,9 +189,9 @@ static const struct wl_seat_listener seatListener = {
.name = [](void*, wl_seat*, const char *name) { }
};
void setupMonitor(Monitor& monitor) {
monitor.bar.emplace(&monitor);
monitor.bar->setStatus(lastStatus);
void setupMonitor(uint32_t name, wl_output* output) {
auto& monitor = monitors.emplace_back(Monitor {name, {}, wl_unique_ptr<wl_output> {output}});
monitor.bar.setStatus(lastStatus);
auto xdgOutput = zxdg_output_manager_v1_get_xdg_output(xdgOutputManager, monitor.wlOutput.get());
zxdg_output_v1_add_listener(xdgOutput, &xdgOutputListener, &monitor);
}
@ -196,13 +200,13 @@ void updatemon(Monitor& mon)
{
if (!mon.hasData) return;
if (mon.desiredVisibility) {
if (mon.bar->visible()) {
mon.bar->invalidate();
if (mon.bar.visible()) {
mon.bar.invalidate();
} else {
mon.bar->show(mon.wlOutput.get());
mon.bar.show(mon.wlOutput.get());
}
} else if (mon.bar->visible()) {
mon.bar->hide();
} else if (mon.bar.visible()) {
mon.bar.hide();
}
}
@ -217,8 +221,8 @@ void onReady()
wl_display_roundtrip(display); // roundtrip so we receive all dwl tags etc.
ready = true;
for (auto& monitor : monitors) {
setupMonitor(monitor);
for (auto output : uninitializedOutputs) {
setupMonitor(output.first, output.second);
}
wl_display_roundtrip(display); // wait for xdg_output names before we read stdin
}
@ -283,11 +287,11 @@ static void handleStdin(const std::string& line)
if (command == "title") {
auto title = std::string {};
std::getline(stream, title);
mon->bar->setTitle(title);
mon->bar.setTitle(title);
} else if (command == "selmon") {
uint32_t selected;
stream >> selected;
mon->bar->setSelected(selected);
mon->bar.setSelected(selected);
if (selected) {
selmon = &*mon;
} else if (selmon == &*mon) {
@ -303,13 +307,13 @@ static void handleStdin(const std::string& line)
state |= TagState::Active;
if (urgent & tagMask)
state |= TagState::Urgent;
mon->bar->setTag(i, state, occupied & tagMask ? 1 : 0, clientTags & tagMask ? 0 : -1);
mon->bar.setTag(i, state, occupied & tagMask ? 1 : 0, clientTags & tagMask ? 0 : -1);
}
mon->tags = tags;
} else if (command == "layout") {
auto layout = std::string {};
std::getline(stream, layout);
mon->bar->setLayout(layout);
mon->bar.setLayout(layout);
}
mon->hasData = true;
updatemon(*mon);
@ -334,10 +338,8 @@ void onStatus()
if (str.rfind(prefixStatus, 0) == 0) {
lastStatus = str.substr(prefixStatus.size());
for (auto &monitor : monitors) {
if (monitor.bar) {
monitor.bar->setStatus(lastStatus);
monitor.bar->invalidate();
}
monitor.bar.setStatus(lastStatus);
monitor.bar.invalidate();
}
} else if (str.rfind(prefixShow, 0) == 0) {
updateVisibility(str.substr(prefixShow.size()), [](bool) { return true; });
@ -395,9 +397,10 @@ void onGlobalAdd(void*, wl_registry* registry, uint32_t name, const char* interf
return;
}
if (wl_output *output; reg.handle(output, wl_output_interface, 1)) {
auto& m = monitors.emplace_back(Monitor {name, {}, wl_unique_ptr<wl_output> {output}});
if (ready) {
setupMonitor(m);
setupMonitor(name, output);
} else {
uninitializedOutputs.push_back({name, output});
}
return;
}