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AntounWagdyAntounWagdy
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Uploading project 3
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‎GUI/Input.cpp

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#include "Input.h"
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#include "Output.h"
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Input::Input(window* pW)
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{
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pWind = pW; //point to the passed window
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}
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void Input::GetPointClicked(Point &P) const
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{
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pWind->WaitMouseClick(P.x, P.y); //Wait for mouse click
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}
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string Input::GetString(Output *pO) const
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{
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string Str;
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char Key;
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while(1)
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{
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pWind->WaitKeyPress(Key);
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if(Key == 27 ) //ESCAPE key is pressed
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return ""; //returns nothing as user has cancelled label
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if(Key == 13 ) //ENTER key is pressed
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return Str;
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if (Key == 8) //BackSpace is pressed
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{
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if (Str.size() > 0)Str.resize(Str.size() - 1);
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}
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else
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Str += Key;
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pO->PrintMessage(Str);
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}
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}
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double Input::GetValue(Output* pO) const // Reads a double value from the user
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{
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int ctr = 0;
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string Str;
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char Key;
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while (1)
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{
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pWind->WaitKeyPress(Key);
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if (Key == 27) //ESCAPE key is pressed
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return 0; //returns nothing as user has cancelled label
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if (Key == 13) //ENTER key is pressed
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break;
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if (Key == 8) //BackSpace is pressed
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{
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if (Str.size() > 0)Str.resize(Str.size() - 1);
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}
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else if (Key >= 48 && Key <= 57) //keys nymber
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Str += Key;
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else if (Key == 46)
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{
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if (ctr == 0)
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{
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Str += Key;
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ctr++;
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}
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}
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else if (Key == 45)
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if (Str.size()==0)
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Str += Key;
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pO->PrintMessage(Str);
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}
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stringstream i(Str);
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double D=0;
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i >> D;
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return D;
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}
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ActionType Input::GetUserAction() const
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{
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//This function reads the position where the user clicks to determine the desired action
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int x, y;
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pWind->WaitMouseClick(x, y); //Get the coordinates of the user click
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if (UI.AppMode == DESIGN) //application is in design mode
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{
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//[1] If user clicks on the Toolbar
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if (y >= 0 && y <= 57)
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{
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//Check whick Menu item was clicked
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if (x >= 0 && x <= 63)
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return SIM_MODE;
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if (x > 63 && x <= 139)
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return ADD_ellipse_start;
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if (x > 139 && x <= 234)
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return ADD_Read;
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if (x > 234 && x <= 305)
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return ADD_One_Variable;
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if (x > 305 && x <= 379)
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return ADD_SMPL_ASSIGN;
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if (x > 379 && x <= 457)
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return ADD_Single_OP;
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if (x > 457 && x <= 532)
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return ADD_ellipse_END;
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if (x > 532 && x <= 592)
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return ADD_CONDITION;
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if (x > 592 && x <= 646)
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return ADD_CONNECTOR;
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if (x > 646 && x <= 717)
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return COPY;
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if (x > 717 && x <= 781)
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return CUT;
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if (x > 781 && x <= 838)
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return MOVE;
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if (x > 838 && x <= 908)
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return COMMENT;
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return DSN_TOOL; //a click on empty part of the tool bar
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}
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else if (y >= 60 && y <= UI.TlBrWdth)
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{
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if (x >= 0 && x <= 63)
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return LOAD;
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if (x > 63 && x <= 139)
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return SAVE;
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if (x > 139 && x <= 234)
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return ADD_Write;
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if (x > 234 && x <= 305)
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return SELECT;
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if (x > 305 && x <= 379)
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return MULTI_SELECT;
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if (x > 379 && x <= 457)
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return UNDO;
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if (x > 457 && x <= 532)
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return REDO;
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if (x > 532 && x <= 592)
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return ZoomIn;
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if (x > 592 && x <= 646)
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return ZoomOut;
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if (x > 646 && x <= 717)
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return EDIT_CONN;
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if (x > 717 && x <= 781)
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return EDIT_STAT;
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if (x > 781 && x <= 838)
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return DEL;
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if (x > 838 && x <= 908)
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return EXIT;
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}
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//[2] User clicks on the drawing area
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if (y >= UI.TlBrWdth && y < UI.height - UI.StBrWdth)
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{
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return No_Action; //user want to select/unselect a statement in the flowchart
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}
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//[3] User clicks on the status bar
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return STATUS;
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}
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else //Application is in Simulation mode
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{
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//return SIM_MODE; //This should be changed after creating the compelete simulation bar
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if (y >= 0 && y <= 78)
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{
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if (x >= 0 && x <= 77)
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return DSN_MODE;
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else if (x>77 && x <= 157)
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return RUN;
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else if (x>157 && x <= 234)
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return DEBUG;
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else if (x>234 && x <= 314)
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return VALID;
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else if (x>314 && x <= 395)
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return Generate;
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else return No_Action;
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}
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else {
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return No_Action;
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}
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}
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}
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Input::~Input()
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{
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}

‎GUI/Input.h

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#ifndef INPUT_H
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#define INPUT_H
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#include "..\DEFS.h"
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#include "UI_Info.h"
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#include "..\CMUgraphicsLib\CMUgraphics.h"
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#include<sstream>
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class Output;
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class Input //The application manager should have a pointer to this class
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{
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private:
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window *pWind; //Pointer to the Graphics Window
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public:
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Input(window *pW); //Consturctor
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void GetPointClicked(Point &P) const;//Gets coordinate where user clicks
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double GetValue(Output* pO) const; // Reads a double value from the user
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string GetString(Output* pO) const ; //Returns a string entered by the user
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ActionType GetUserAction() const; //Reads the user click and maps it to an action
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~Input();
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};
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#endif

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