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Dependencies:   mbed

Fork of el17ajf by Angus Findlay

Menus/UI/UI.cpp@18:24ce897024d0, 2019-04-03 (annotated)

Committer:
el17ajf
Date:
Wed Apr 03 14:31:49 2019 +0000
Revision:
18:24ce897024d0
Parent:
17:cc448ab7266f
Child:
19:370d83a8dc33
Added adaptable grid sizes

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 18:24ce897024d0 43 int wordWidth = strlen(text) * (Graphics::UI::CHAR_WIDTH + Graphics::UI::CHAR_SPACE);
el17ajf 18:24ce897024d0 44
el17ajf 17:cc448ab7266f 45 if (selected) {
el17ajf 18:24ce897024d0 46 Graphics::UI::drawBorder(
el17ajf 18:24ce897024d0 47 PADDING_X - 2,
el17ajf 18:24ce897024d0 48 y - 2,
el17ajf 18:24ce897024d0 49 PADDING_X + wordWidth + 2,
el17ajf 18:24ce897024d0 50 y + Graphics::UI::CHAR_HEIGHT + 1
el17ajf 18:24ce897024d0 51 );
el17ajf 17:cc448ab7266f 52 }
el17ajf 17:cc448ab7266f 53
el17ajf 17:cc448ab7266f 54 return buttonPressedFrame && selected;
el17ajf 17:cc448ab7266f 55 }
el17ajf 17:cc448ab7266f 56
el17ajf 17:cc448ab7266f 57 void UI::selectNextButton() {
el17ajf 17:cc448ab7266f 58 if (buttonCurrentlySelected < buttonCurrentlyDrawing) {
el17ajf 17:cc448ab7266f 59 buttonCurrentlySelected++;
el17ajf 17:cc448ab7266f 60 }
el17ajf 17:cc448ab7266f 61 }
el17ajf 17:cc448ab7266f 62
el17ajf 17:cc448ab7266f 63 void UI::selectPreviousButton() {
el17ajf 17:cc448ab7266f 64 if (buttonCurrentlySelected > 0) {
el17ajf 17:cc448ab7266f 65 buttonCurrentlySelected--;
el17ajf 17:cc448ab7266f 66 }
el17ajf 17:cc448ab7266f 67 }
el17ajf 17:cc448ab7266f 68
el17ajf 17:cc448ab7266f 69 void UI::pressButton() {
el17ajf 17:cc448ab7266f 70 buttonPressedFrame = true;
el17ajf 17:cc448ab7266f 71 }
el17ajf 17:cc448ab7266f 72
el17ajf 17:cc448ab7266f 73 int UI::nextY() {
el17ajf 17:cc448ab7266f 74 int currentYPos = nextYPos;
el17ajf 17:cc448ab7266f 75 nextYPos += Graphics::UI::CHAR_HEIGHT + LINE_PADDING;
el17ajf 17:cc448ab7266f 76 return currentYPos;
el17ajf 17:cc448ab7266f 77 }