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Clock: Turns the clock window from guitest2 into a separate program.

We can't not have a desktop clock app. :^)
This commit is contained in:
Andreas Kling 2019-02-05 09:44:13 +01:00
parent 41567c5bb9
commit d0078b6574
10 changed files with 123 additions and 65 deletions

3
Clock/.gitignore vendored Normal file
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*.o
*.d
Clock

37
Clock/ClockWidget.cpp Normal file
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#include <stdio.h>
#include <time.h>
#include <SharedGraphics/Painter.h>
#include "ClockWidget.h"
ClockWidget::ClockWidget(GWidget* parent)
: GWidget(parent)
{
set_relative_rect({ 0, 0, 100, 40 });
start_timer(300);
}
ClockWidget::~ClockWidget()
{
}
void ClockWidget::paint_event(GPaintEvent&)
{
auto now = time(nullptr);
auto& tm = *localtime(&now);
char timeBuf[128];
sprintf(timeBuf, "%02u:%02u:%02u", tm.tm_hour, tm.tm_min, tm.tm_sec);
Painter painter(*this);
painter.fill_rect(rect(), Color::LightGray);
painter.draw_text(rect(), timeBuf, Painter::TextAlignment::Center, Color::Black);
}
void ClockWidget::timer_event(GTimerEvent&)
{
auto now = time(nullptr);
if (now == m_last_time)
return;
m_last_time = now;
update();
}

16
Clock/ClockWidget.h Normal file
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#pragma once
#include <LibGUI/GWidget.h>
class ClockWidget final : public GWidget {
public:
explicit ClockWidget(GWidget* parent = nullptr);
virtual ~ClockWidget() override;
private:
virtual void paint_event(GPaintEvent&) override;
virtual void timer_event(GTimerEvent&) override;
time_t m_last_time { 0 };
};

35
Clock/Makefile Normal file
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OBJS = \
ClockWidget.o \
main.o
APP = Clock
ARCH_FLAGS =
STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib -nostdinc
USERLAND_FLAGS = -ffreestanding -fno-stack-protector -fno-ident
WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings
FLAVOR_FLAGS = -march=i386 -mregparm=3 -m32 -fno-exceptions -fno-rtti -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
OPTIMIZATION_FLAGS = -Oz -fno-asynchronous-unwind-tables
INCLUDE_FLAGS = -I.. -I. -I../LibC
DEFINES = -DSERENITY -DSANITIZE_PTRS -DUSERLAND
CXXFLAGS = -MMD -MP $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(USERLAND_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
CXX = clang
LD = ld
AR = ar
LDFLAGS = -static --strip-debug -melf_i386 --build-id=none -z norelro -z now -e _start --gc-sections
all: $(APP)
$(APP): $(OBJS)
$(LD) -o $(APP) $(LDFLAGS) $(OBJS) ../LibGUI/LibGUI.a ../LibC/LibC.a
.cpp.o:
@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
-include $(OBJS:%.o=%.d)
clean:
@echo "CLEAN"; rm -f $(APPS) $(OBJS) *.d

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Clock/main.cpp Normal file
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#include <LibGUI/GEventLoop.h>
#include <LibGUI/GWindow.h>
#include "ClockWidget.h"
int main(int, char**)
{
GEventLoop loop;
auto* window = new GWindow;
window->set_title("Clock");
window->set_rect({ 100, 100, 100, 40 });
auto* clock_widget = new ClockWidget;
clock_widget->set_relative_rect({ 0, 0, 100, 40 });
window->set_main_widget(clock_widget);
window->show();
return loop.exec();
}