P542-Labs / Mbed 2 deprecated Lab4

Lab4

Dependencies:   SeeedStudioTFTv2 TFT_fonts mbed

Fork of Seeed_TFT_Touch_Shield by Shields

Widget.cpp@6:ebffa73d4f95, 2014-09-26 (annotated)

Committer:
uswickra
Date:
Fri Sep 26 15:33:34 2014 +0000
Revision:
6:ebffa73d4f95
Parent:
4:ebcf8d366b91 
fix report

Who changed what in which revision?

UserRevisionLine numberNew contents of line
uswickra 4:ebcf8d366b91 1 #include "Widget.h"
uswickra 4:ebcf8d366b91 2
uswickra 4:ebcf8d366b91 3 void AbstractWidget::redraw()
uswickra 4:ebcf8d366b91 4 {
uswickra 4:ebcf8d366b91 5 //if state has changed in this widget
uswickra 4:ebcf8d366b91 6 if(state_changed) {
uswickra 4:ebcf8d366b91 7 paint();
uswickra 4:ebcf8d366b91 8 pc.printf("starting to paint# \r\n");
uswickra 4:ebcf8d366b91 9 state_changed = false;
uswickra 4:ebcf8d366b91 10 }
uswickra 4:ebcf8d366b91 11 //redraw action for all children
uswickra 4:ebcf8d366b91 12 for(vector<AbstractWidget*>::iterator it = children.begin(); it != children.end(); it++) {
uswickra 4:ebcf8d366b91 13 AbstractWidget* w = *it;
uswickra 4:ebcf8d366b91 14 w->redraw();
uswickra 4:ebcf8d366b91 15 }
uswickra 4:ebcf8d366b91 16 }
uswickra 4:ebcf8d366b91 17
uswickra 4:ebcf8d366b91 18 void AbstractWidget::refresh()
uswickra 4:ebcf8d366b91 19 {
uswickra 4:ebcf8d366b91 20 state_changed = true;
uswickra 4:ebcf8d366b91 21 //try to re-adjust cordinates for any children of 'p'
uswickra 4:ebcf8d366b91 22 if(children.size() > 0 ) {
uswickra 4:ebcf8d366b91 23 curr_row = 0 ;
uswickra 4:ebcf8d366b91 24 curr_col = 0 ;
uswickra 4:ebcf8d366b91 25 for(vector<AbstractWidget*>::iterator it = children.begin(); it != children.end(); it++) {
uswickra 4:ebcf8d366b91 26 AbstractWidget* pnl = (*it);
uswickra 4:ebcf8d366b91 27 push_children = false ;
uswickra 4:ebcf8d366b91 28 addWidget(pnl);
uswickra 4:ebcf8d366b91 29 push_children = true ;
uswickra 4:ebcf8d366b91 30 }
uswickra 4:ebcf8d366b91 31 }
uswickra 4:ebcf8d366b91 32 //refresh action for all children
uswickra 4:ebcf8d366b91 33 for(vector<AbstractWidget*>::iterator it = children.begin(); it != children.end(); it++) {
uswickra 4:ebcf8d366b91 34 AbstractWidget* w = *it;
uswickra 4:ebcf8d366b91 35 w->refresh();
uswickra 4:ebcf8d366b91 36 }
uswickra 4:ebcf8d366b91 37 }
uswickra 4:ebcf8d366b91 38
uswickra 6:ebffa73d4f95 39 AbstractWidget* AbstractWidget::remove_child()
uswickra 6:ebffa73d4f95 40 {
uswickra 6:ebffa73d4f95 41 AbstractWidget* w = children.back();
uswickra 6:ebffa73d4f95 42 children.pop_back();
uswickra 6:ebffa73d4f95 43 //refresh state of returned widget
uswickra 4:ebcf8d366b91 44 // w->refresh();
uswickra 6:ebffa73d4f95 45 //revert to previous row/col position
uswickra 6:ebffa73d4f95 46 curr_row = prev_row;
uswickra 6:ebffa73d4f95 47 curr_col = prev_col;
uswickra 6:ebffa73d4f95 48 return w;
uswickra 6:ebffa73d4f95 49 }
uswickra 6:ebffa73d4f95 50
uswickra 6:ebffa73d4f95 51 void AbstractWidget::trigger_action(ActionType type, ActionEvent evnt, void* target)
uswickra 6:ebffa73d4f95 52 {
uswickra 6:ebffa73d4f95 53 //do nothing
uswickra 6:ebffa73d4f95 54 }
uswickra 6:ebffa73d4f95 55
uswickra 6:ebffa73d4f95 56
uswickra 6:ebffa73d4f95 57 void AbstractWidget::inject_action(int x, int y)
uswickra 6:ebffa73d4f95 58 {
uswickra 6:ebffa73d4f95 59 double di_per_pixel = 28.9583;
uswickra 6:ebffa73d4f95 60 double dj_per_pixel = 21.25;
uswickra 6:ebffa73d4f95 61
uswickra 6:ebffa73d4f95 62 int x_cord = x / di_per_pixel ;
uswickra 6:ebffa73d4f95 63 int y_cord = y / dj_per_pixel ;
uswickra 6:ebffa73d4f95 64 //do nothing
uswickra 6:ebffa73d4f95 65 ActionEvent evnt;
uswickra 6:ebffa73d4f95 66 ActionType type;
uswickra 6:ebffa73d4f95 67 evnt.x = x_cord;
uswickra 6:ebffa73d4f95 68 evnt.y = y_cord ;
uswickra 6:ebffa73d4f95 69 type = CORD;
uswickra 6:ebffa73d4f95 70 //do this action if registered for events and is inside the input window
uswickra 6:ebffa73d4f95 71 if(x_cord > x0 && x_cord < x1 && y_cord > y0 && y_cord < y1 ) {
uswickra 6:ebffa73d4f95 72 action(type, evnt);
uswickra 4:ebcf8d366b91 73 }
uswickra 6:ebffa73d4f95 74 //also inject for children
uswickra 6:ebffa73d4f95 75 for(vector<AbstractWidget*>::iterator it = children.begin(); it != children.end(); it++) {
uswickra 6:ebffa73d4f95 76 AbstractWidget* w = *it;
uswickra 6:ebffa73d4f95 77 w->inject_action(x, y);
uswickra 6:ebffa73d4f95 78 }
uswickra 4:ebcf8d366b91 79 }