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Dependencies:   mbed

Fork of el17ajf by Angus Findlay

Menus/UI/UI.cpp@17:cc448ab7266f, 2019-04-03 (annotated)

Committer:
el17ajf
Date:
Wed Apr 03 13:37:56 2019 +0000
Revision:
17:cc448ab7266f
Parent:
16:3f84f2d7b910
Child:
18:24ce897024d0
Added UI and graphics separation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17ajf 17:cc448ab7266f 1 #include "UI.h"
el17ajf 17:cc448ab7266f 2 #include "Graphics.h"
el17ajf 17:cc448ab7266f 3
el17ajf 17:cc448ab7266f 4 UI::UI() {
el17ajf 17:cc448ab7266f 5 reset();
el17ajf 17:cc448ab7266f 6 }
el17ajf 17:cc448ab7266f 7
el17ajf 17:cc448ab7266f 8 void UI::reset() {
el17ajf 17:cc448ab7266f 9 buttonCurrentlySelected = 0;
el17ajf 17:cc448ab7266f 10 }
el17ajf 17:cc448ab7266f 11
el17ajf 17:cc448ab7266f 12 UI::~UI() {
el17ajf 16:3f84f2d7b910 13
el17ajf 17:cc448ab7266f 14 }
el17ajf 17:cc448ab7266f 15
el17ajf 17:cc448ab7266f 16 void UI::clear() {
el17ajf 17:cc448ab7266f 17 buttonPressedFrame = false;
el17ajf 17:cc448ab7266f 18 nextYPos = PADDING_Y;
el17ajf 17:cc448ab7266f 19 buttonCurrentlyDrawing = -1;
el17ajf 17:cc448ab7266f 20 }
el17ajf 17:cc448ab7266f 21
el17ajf 17:cc448ab7266f 22 void UI::drawTitle(const char * text) {
el17ajf 17:cc448ab7266f 23 drawLabel(text);
el17ajf 17:cc448ab7266f 24 }
el17ajf 17:cc448ab7266f 25
el17ajf 17:cc448ab7266f 26 void UI::drawLabel(const char * text) {
el17ajf 17:cc448ab7266f 27 Graphics::UI::drawText(PADDING_X, nextY(), text);
el17ajf 17:cc448ab7266f 28 }
el17ajf 17:cc448ab7266f 29
el17ajf 17:cc448ab7266f 30 void UI::newLine() {
el17ajf 17:cc448ab7266f 31 nextY();
el17ajf 17:cc448ab7266f 32 }
el17ajf 16:3f84f2d7b910 33
el17ajf 17:cc448ab7266f 34 bool UI::drawAndCheckButton(const char * text) {
el17ajf 17:cc448ab7266f 35 buttonCurrentlyDrawing++;
el17ajf 17:cc448ab7266f 36
el17ajf 17:cc448ab7266f 37 int y = nextY();
el17ajf 17:cc448ab7266f 38
el17ajf 17:cc448ab7266f 39 Graphics::UI::drawText(PADDING_X, y, text);
el17ajf 17:cc448ab7266f 40
el17ajf 17:cc448ab7266f 41 bool selected = buttonCurrentlyDrawing == buttonCurrentlySelected;
el17ajf 17:cc448ab7266f 42
el17ajf 17:cc448ab7266f 43 if (selected) {
el17ajf 17:cc448ab7266f 44 Graphics::UI::drawBorder(PADDING_X - 2, y - 2, PADDING_X + 50, y + Graphics::UI::CHAR_HEIGHT + 2);
el17ajf 17:cc448ab7266f 45 }
el17ajf 17:cc448ab7266f 46
el17ajf 17:cc448ab7266f 47 return buttonPressedFrame && selected;
el17ajf 17:cc448ab7266f 48 }
el17ajf 17:cc448ab7266f 49
el17ajf 17:cc448ab7266f 50 void UI::selectNextButton() {
el17ajf 17:cc448ab7266f 51 if (buttonCurrentlySelected < buttonCurrentlyDrawing) {
el17ajf 17:cc448ab7266f 52 buttonCurrentlySelected++;
el17ajf 17:cc448ab7266f 53 }
el17ajf 17:cc448ab7266f 54 }
el17ajf 17:cc448ab7266f 55
el17ajf 17:cc448ab7266f 56 void UI::selectPreviousButton() {
el17ajf 17:cc448ab7266f 57 if (buttonCurrentlySelected > 0) {
el17ajf 17:cc448ab7266f 58 buttonCurrentlySelected--;
el17ajf 17:cc448ab7266f 59 }
el17ajf 17:cc448ab7266f 60 }
el17ajf 17:cc448ab7266f 61
el17ajf 17:cc448ab7266f 62 void UI::pressButton() {
el17ajf 17:cc448ab7266f 63 buttonPressedFrame = true;
el17ajf 17:cc448ab7266f 64 }
el17ajf 17:cc448ab7266f 65
el17ajf 17:cc448ab7266f 66 int UI::nextY() {
el17ajf 17:cc448ab7266f 67 int currentYPos = nextYPos;
el17ajf 17:cc448ab7266f 68 nextYPos += Graphics::UI::CHAR_HEIGHT + LINE_PADDING;
el17ajf 17:cc448ab7266f 69 return currentYPos;
el17ajf 17:cc448ab7266f 70 }