summaryrefslogtreecommitdiffstats
path: root/Keyboard.cpp
diff options
context:
space:
mode:
authorScott Murray <scott.murray@konsulko.com>2019-08-30 11:43:58 -0400
committerScott Murray <scott.murray@konsulko.com>2019-08-30 11:45:55 -0400
commitededa7e3ef24a8cea9e513fa008ef481c1675457 (patch)
tree86a4c79d066b9638b11c0f127ad8f3c66c38c4f7 /Keyboard.cpp
parent706ad73eb02caf8532deaf5d38995bd258725cb8 (diff)
Initial check in
Initial check in of the original repository: git://github.com/AGLExport/genivi-navi-yelp-client.git as of commit c2691cb265d9198542482a860f1df378e8c2708b. Bug-AGL: SPEC-2787 Signed-off-by: Scott Murray <scott.murray@konsulko.com> Change-Id: I7405367387622fb788a5712ed24005ee6d7ce495
Diffstat (limited to 'Keyboard.cpp')
-rw-r--r--Keyboard.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/Keyboard.cpp b/Keyboard.cpp
new file mode 100644
index 0000000..447f6c7
--- /dev/null
+++ b/Keyboard.cpp
@@ -0,0 +1,152 @@
+/**
+ Source : inspired by https://www.kdab.com/qt-input-method-virtual-keyboard/
+ */
+
+#include "Keyboard.h"
+
+#include <QWidget>
+#include <QRect>
+#include <QString>
+#include <QSignalMapper>
+#include <QPushButton>
+#include <QImageReader>
+
+#define NEXT_ROW_MARKER '\0'
+
+#define SIZE_FACTOR 1 /* looks nice on AGL demo */
+//#define SIZE_FACTOR 0.5 /* looks nice on PC build */
+
+#define OFFSET_H ( 78 * SIZE_FACTOR )
+#define KEY_WIDTH ( 78 * SIZE_FACTOR )
+#define KEY_HEIGHT ( 94 * SIZE_FACTOR )
+#define MARGIN_H ( 12 * SIZE_FACTOR )
+#define MARGIN_V ( 18 * SIZE_FACTOR )
+#define SPACE_BAR_WIDTH ( 502 * SIZE_FACTOR )
+
+struct KeyboardLayoutEntry
+{
+ int key;
+ const char *image;
+};
+
+static KeyboardLayoutEntry keyboardLayout[] = {
+ { '1' , "1.png" },
+ { '2' , "2.png" },
+ { '3' , "3.png" },
+ { '4' , "4.png" },
+ { '5' , "5.png" },
+ { '6' , "6.png" },
+ { '7' , "7.png" },
+ { '8' , "8.png" },
+ { '9' , "9.png" },
+ { '0' , "0.png" },
+ { NEXT_ROW_MARKER, NULL },
+ { 'q' , "Q.png" },
+ { 'w' , "W.png" },
+ { 'e' , "E.png" },
+ { 'r' , "R.png" },
+ { 't' , "T.png" },
+ { 'y' , "Y.png" },
+ { 'u' , "U.png" },
+ { 'i' , "I.png" },
+ { 'o' , "O.png" },
+ { 'p' , "P.png" },
+ { NEXT_ROW_MARKER, NULL },
+ { 'a' , "A.png" },
+ { 's' , "S.png" },
+ { 'd' , "D.png" },
+ { 'f' , "F.png" },
+ { 'g' , "G.png" },
+ { 'h' , "H.png" },
+ { 'j' , "J.png" },
+ { 'k' , "K.png" },
+ { 'l' , "L.png" },
+ { NEXT_ROW_MARKER, NULL },
+ { 'z' , "Z.png" },
+ { 'x' , "X.png" },
+ { 'c' , "C.png" },
+ { 'v' , "V.png" },
+ { 'b' , "B.png" },
+ { 'n' , "N.png" },
+ { 'm' , "M.png" },
+ { '!' , "exclam.png" },
+ { '\b',"back.png" },
+ { NEXT_ROW_MARKER, NULL },
+ { '\'',"apostrophe.png" },
+ { '&' , "et.png" },
+ { ' ' , "space.png" },
+ { '-' , "minus.png" },
+ { '/' , "slash.png" }
+};
+
+const static int layoutSize = (sizeof(keyboardLayout) /
+ sizeof(KeyboardLayoutEntry));
+
+Keyboard::Keyboard(QRect r, QWidget *parent):QWidget(parent),background(parent),
+ rect(QRect(r.x() + (r.width()-(r.width()*SIZE_FACTOR))/2, r.y(), r.width()*SIZE_FACTOR, r.height()*SIZE_FACTOR)),
+ mapper(new QSignalMapper(this))
+{
+ int nbRowMarkers = 1;
+ for (int i = 0; i < layoutSize; ++i)
+ if (keyboardLayout[i].key == NEXT_ROW_MARKER)
+ nbRowMarkers++;
+
+ connect(mapper, SIGNAL(mapped(int)), SLOT(buttonClicked(int)));
+
+ int row = 0;
+ int offset_h = KEY_WIDTH;
+ int offset_v = (rect.height() - (KEY_HEIGHT*nbRowMarkers + MARGIN_V*(nbRowMarkers-1))) / 2;
+
+ background.setGeometry(rect);
+ QImageReader reader(QString(":/images/background.png"));
+ background.setPixmap(QPixmap::fromImage(reader.read()).scaled(rect.width(), rect.height(), Qt::IgnoreAspectRatio));
+
+ background.show();
+
+ for (int i = 0; i < layoutSize; ++i)
+ {
+ int key_width = KEY_WIDTH;
+ if (keyboardLayout[i].key == NEXT_ROW_MARKER)
+ {
+ row++;
+ offset_h = OFFSET_H;
+ if (row == 2)
+ offset_h += (KEY_WIDTH + MARGIN_H)/2;
+ else if (row == 3)
+ offset_h += (KEY_WIDTH + MARGIN_H);
+ offset_v += (KEY_HEIGHT+MARGIN_V);
+ continue;
+ }
+ else if (keyboardLayout[i].key == ' ')
+ {
+ key_width = SPACE_BAR_WIDTH;
+ }
+
+ QPushButton *button = new QPushButton(QIcon(tr(":/images/")+QString(keyboardLayout[i].image)), tr(""), &background);
+ button->setMinimumSize(QSize(key_width, KEY_HEIGHT));
+ button->setMaximumSize(QSize(key_width, KEY_HEIGHT));
+ button->setIconSize(button->size());
+ /* geometry of button is relative to its parent, ie 'background' : */
+ button->setGeometry(QRect(offset_h, offset_v, button->width(), button->height()));
+ button->show();
+
+ mapper->setMapping(button, keyboardLayout[i].key);
+ connect(button, SIGNAL(clicked()), mapper, SLOT(map()));
+
+ offset_h += (key_width+MARGIN_H);
+ }
+}
+
+void Keyboard::buttonClicked(int key)
+{
+ if (key == '\b') /* backspace */
+ emit specialKeyClicked(key);
+ else
+ emit keyClicked(QString(key));
+}
+
+Keyboard::~Keyboard()
+{
+ disconnect();
+ delete mapper;
+}