Add code for calc app

This commit is contained in:
daleclack 2022-06-08 15:34:44 +08:00
parent 1e89576b8e
commit b2d302318e
6 changed files with 267 additions and 2 deletions

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@ -15,7 +15,8 @@ set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
include(CPack) include(CPack)
include_directories(.) include_directories(.)
include_directories(..) include_directories(..)
include_directories(src/core src/ui src/apps src/panels src/image_app src/game24_app) include_directories(src/core src/ui src/apps src/panels src/image_app
src/game24_app src/calc_app)
find_package (PkgConfig REQUIRED) find_package (PkgConfig REQUIRED)
pkg_check_modules (GTKMM3 REQUIRED gtkmm-3.0) pkg_check_modules (GTKMM3 REQUIRED gtkmm-3.0)
@ -27,7 +28,8 @@ set(SOURCES src/core/main.cc src/core/MyWin.cc src/core/MyStack.cc src/cfgfile/c
src/draw_app/drawing.cc src/file_app/FileWindow.cc src/game_app/Game.cc src/draw_app/drawing.cc src/file_app/FileWindow.cc src/game_app/Game.cc
src/game24_app/Game24.cc src/game24_app/Game24Win.cc src/game24_app/Game24.cc src/game24_app/Game24Win.cc
src/image_app/ImageApp.cc src/image_app/MyImage.cc src/image_app/ImageApp.cc src/image_app/MyImage.cc
src/run_app/Runner.cc src/text_app/TextEditor.cc) src/run_app/Runner.cc src/text_app/TextEditor.cc
src/calc_app/calc.cc src/calc_app/CalcApp.cc)
#Compile resources with GCR_CMake #Compile resources with GCR_CMake

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@ -0,0 +1,55 @@
<?xml version="1.0" encoding="UTF-8"?>
<gresources>
<gresource prefix="/org/gtk/daleclack">
<file preprocess="xml-stripblanks">menubar.xml</file>
<file preprocess="xml-stripblanks">mainmenu.xml</file>
<file preprocess="xml-stripblanks">image_appmenu.xml</file>
<file preprocess="xml-stripblanks">stack.ui</file>
<file preprocess="xml-stripblanks">prefs_stack.ui</file>
<file preprocess="xml-stripblanks">mydock.ui</file>
<file preprocess="xml-stripblanks">game1.ui</file>
<file preprocess="xml-stripblanks">game24.ui</file>
<file>style.css</file>
<file>reset.css</file>
<file>dock_style.css</file>
<file>folder.svg</file>
<file>folder-images.svg</file>
<file>image_file.svg</file>
<file>gnome-fs-regular.svg</file>
<file>icons/16x16/actions/finder_audio.svg</file>
<file>icons/16x16/actions/finder-battery.svg</file>
<file>icons/16x16/actions/finder-computer.svg</file>
<file>icons/16x16/actions/finder-wifi.svg</file>
<file>icons/16x16/actions/My_GtkUI.png</file>
<file>icons/16x16/actions/open-menu.svg</file>
<file>icons/16x16/actions/list-add.svg</file>
<file>icons/16x16/actions/list-remove.svg</file>
<file>icons/48x48/actions/dialog-error.png</file>
<file>icons/48x48/actions/game.png</file>
<file>icons/48x48/actions/game_running.png</file>
<file>icons/48x48/actions/btnabout.png</file>
<file>icons/48x48/actions/My_GtkUI.png</file>
<file>icons/scalable/status/24game.svg</file>
<file>icons/scalable/status/24game_running.svg</file>
<file>icons/scalable/status/audacious_whitesur.svg</file>
<file>icons/scalable/status/my_prefs.svg</file>
<file>icons/scalable/status/my_prefs_running.svg</file>
<file>icons/scalable/status/drawing_app.svg</file>
<file>icons/scalable/status/drawing_app_running.svg</file>
<file>icons/scalable/status/finder-find.svg</file>
<file>icons/scalable/status/file-app.svg</file>
<file>icons/scalable/status/file-app_running.svg</file>
<file>icons/scalable/status/display_prefs.svg</file>
<file>icons/scalable/status/myrunner.svg</file>
<file>icons/scalable/status/image_app.svg</file>
<file>icons/scalable/status/image_app_running.svg</file>
<file>icons/scalable/status/my_textedit.svg</file>
<file>icons/scalable/status/my_textedit_running.svg</file>
<file>icons/scalable/status/vlc_whitesur.svg</file>
<file>icons/scalable/status/my_trash.svg</file>
<file>icons/scalable/status/circle.svg</file>
<file>icons/scalable/status/freehand.svg</file>
<file>icons/scalable/status/line.svg</file>
<file>icons/scalable/status/rectangle.svg</file>
</gresource>
</gresources>

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@ -0,0 +1,30 @@
#pragma once
#include <gtkmm.h>
class CalcApp : public Gtk::Window
{
public:
static CalcApp *create();
CalcApp(BaseObjectType *cobject, const Glib::RefPtr<Gtk::Builder> &ref_Glade);
private:
// Main GtkBuilder
Glib::RefPtr<Gtk::Builder> ref_builder;
// Calculator Class
int pos;
bool focused, winned;
Glib::ustring tmp;
// Child widgets
Gtk::Entry *entry_ans;
Gtk::Button *btns[16], *btnback, *btnclear, *btnanswer;
// Signal Handlers
void btns_clicked(Gtk::Button *button);
void btnclear_clicked();
void btnback_clicked();
void btnanswer_clicked();
void entry_ans_focus();
};

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@ -0,0 +1,117 @@
#include "CalcApp.hh"
#include "calc.hh"
#include <iostream>
CalcApp::CalcApp(BaseObjectType *cobject, const Glib::RefPtr<Gtk::Builder> &ref_Glade)
: Gtk::Window(cobject),
ref_builder(ref_Glade),
winned(true)
{
set_icon_name("Calculator");
// Get Widgets
//ref_builder->get_widget("label_numbers", label_numbers);
ref_builder->get_widget("entry_ans", entry_ans);
ref_builder->get_widget("btnanswer", btnanswer);
ref_builder->get_widget("btnback",btnback);
ref_builder->get_widget("btnclear",btnclear);
ref_builder->get_widget("btn0", btns[0]);
ref_builder->get_widget("btn1", btns[1]);
ref_builder->get_widget("btn2", btns[2]);
ref_builder->get_widget("btn3", btns[3]);
ref_builder->get_widget("btn4", btns[4]);
ref_builder->get_widget("btn5", btns[5]);
ref_builder->get_widget("btn6", btns[6]);
ref_builder->get_widget("btn7", btns[7]);
ref_builder->get_widget("btn8", btns[8]);
ref_builder->get_widget("btn9", btns[9]);
ref_builder->get_widget("btnadd", btns[10]);
ref_builder->get_widget("btnsubb", btns[11]);
ref_builder->get_widget("btnmul", btns[12]);
ref_builder->get_widget("btndiv", btns[13]);
ref_builder->get_widget("btnleft", btns[14]);
ref_builder->get_widget("btnright", btns[15]);
// Link Signals
btnclear->signal_clicked().connect(sigc::mem_fun(*this,&CalcApp::btnclear_clicked));
btnback->signal_clicked().connect(sigc::mem_fun(*this,&CalcApp::btnback_clicked));
btnanswer->signal_clicked().connect(sigc::mem_fun(*this,&CalcApp::btnanswer_clicked));
for (int i = 0; i < 16; i++)
{
btns[i]->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &CalcApp::btns_clicked), btns[i]));
}
entry_ans->signal_grab_focus().connect(sigc::mem_fun(*this, &CalcApp::entry_ans_focus));
}
void CalcApp::btns_clicked(Gtk::Button *button)
{
// Get Original text and add number from button
// 1.Get text buffer for insert
auto buffer = entry_ans->get_buffer();
// 2.Get text to insert
Glib::ustring label = button->get_label();
if (focused)
{
pos = entry_ans->get_position();
}
// 3.Get Position
buffer->insert_text(pos, label);
pos++;
focused = false;
}
void CalcApp::entry_ans_focus()
{
focused = true;
}
void CalcApp::btnclear_clicked(){
// Clear the text
entry_ans->set_text("");
}
void CalcApp::btnback_clicked(){
// Get Original text and add number from button
// 1.Get text buffer for insert
auto buffer = entry_ans->get_buffer();
// 2.Get Position to delete
if (focused)
{
pos = entry_ans->get_position();
}
// std::cout<<pos<<std::endl;
pos--;
// 3.Delete text in the position of cursor
buffer->delete_text(pos,1);
focused = false;
}
void CalcApp::btnanswer_clicked(){
// Get expression
Glib::ustring text = entry_ans->get_text();
//std::cout<<text<<std::endl;
// Calculation
int result = calc_expression_value(text.c_str());
char result_str[40];
sprintf(result_str,"%d",result);
entry_ans->set_text(Glib::ustring(result_str));
}
CalcApp *CalcApp::create()
{
// Create a new window
CalcApp *window = nullptr;
auto builder = Gtk::Builder::create_from_resource("/org/gtk/daleclack/window.ui");
builder->get_widget_derived("window", window);
return window;
}

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@ -0,0 +1,58 @@
#include <iostream>
#include <cstdlib>
#include <cstring>
#include "calc.hh"
static int pos = 0;
int calc_factor_value(const char * factor){
int result = 0;
char c = factor[pos];
if( c == '('){ // if expression has '(', calculate the expression in the '()'
pos++;
result = calc_expression_value(factor);
pos++;
}else{
while(isdigit(c)){ // Get the number to calculate
result = 10 * result + c - '0';
pos++;
c = factor[pos];
}
}
return result;
}
int calc_term_value(const char * term){
int result = calc_factor_value(term); // Get the first number
while(true){
//pos++; // Calc the multiplication and divide
char op = term[pos];
if(op == '*' || op == '/'){
pos++;
int value = calc_factor_value(term); // Get another value
if(op == '*') result *= value;
else result /= value;
}else{
break;
}
}
return result;
}
int calc_expression_value(const char * expression){
int result = calc_term_value(expression); // Calc the result of expression
//bool more = true;
while(true){
char op = expression[pos];
if(op == '+' || op == '-'){ // Calculate for add and subb
pos++;
int value = calc_term_value(expression);
if( op == '+') result += value;
else result -= value;
}else{
break;
}
}
return result;
}

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@ -0,0 +1,3 @@
#pragma once
int calc_expression_value(const char * expression);