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Introduce LibCore and move GElapsedTimer => CElapsedTimer.

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I need a layer somewhere between AK (usable both by userspace and kernel)
and LibGUI (usable by userspace except WindowServer.) So here's LibCore.
This commit is contained in:
Andreas Kling 2019-04-10 16:14:44 +02:00
parent a74f3615ac
commit 5e0577a042
21 changed files with 98 additions and 37 deletions
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29
LibGUI/GElapsedTimer.cpp
View file

@ -1,29 +0,0 @@
#include <LibGUI/GElapsedTimer.h>
#include <AK/Assertions.h>
#include <sys/time.h>
void GElapsedTimer::start()
{
m_valid = true;
gettimeofday(&m_start_time, nullptr);
}
inline void timersub(const struct timeval* a, const struct timeval* b, struct timeval* result)
{
result->tv_sec = a->tv_sec - b->tv_sec;
result->tv_usec = a->tv_usec - b->tv_usec;
if (result->tv_usec < 0) {
--result->tv_sec;
result->tv_usec += 1000000;
}
}
int GElapsedTimer::elapsed() const
{
ASSERT(is_valid());
struct timeval now;
gettimeofday(&now, nullptr);
struct timeval diff;
timersub(&now, &m_start_time, &diff);
return diff.tv_sec * 1000 + diff.tv_usec / 1000;
}

16
LibGUI/GElapsedTimer.h
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@ -1,16 +0,0 @@
#pragma once
#include <time.h>
class GElapsedTimer {
public:
GElapsedTimer() { }
bool is_valid() const { return m_valid; }
void start();
int elapsed() const;
private:
bool m_valid { false };
struct timeval m_start_time { 0, 0 };
};

4
LibGUI/GWidget.h
View file

@ -1,6 +1,6 @@
#pragma once
#include <LibGUI/GElapsedTimer.h>
#include <LibCore/CElapsedTimer.h>
#include <LibGUI/GEvent.h>
#include <LibGUI/GObject.h>
#include <SharedGraphics/Rect.h>
@ -174,5 +174,5 @@ private:
bool m_fill_with_background_color { false };
bool m_visible { true };
GElapsedTimer m_click_clock;
CElapsedTimer m_click_clock;
};

5
LibGUI/Makefile
View file

@ -52,7 +52,6 @@ LIBGUI_OBJS = \
GAbstractView.o \
GItemView.o \
GIcon.o \
GElapsedTimer.o \
GFrame.o \
GTreeView.o \
GFileSystemModel.o \
@ -69,8 +68,6 @@ LIBGUI_OBJS = \
OBJS = $(SHAREDGRAPHICS_OBJS) $(LIBGUI_OBJS)
LIBS = -lc
LIBRARY = libgui.a
STANDARD_FLAGS = -std=c++17 -Wno-sized-deallocation
WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings -Wimplicit-fallthrough
@ -88,7 +85,7 @@ AR = i686-pc-serenity-ar
all: $(LIBRARY)
$(LIBRARY): $(OBJS)
@echo "LIB $@"; $(AR) rcs $@ $(OBJS) $(LIBS)
@echo "LIB $@"; $(AR) rcs $@ $(OBJS)
.cpp.o:
@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<