Implementation of some widgets based on real use cases and designs [FL-392][FL-809] (#315)

* gui test app
* aligned string draw functions
* add canvas_invert_color, canvas_draw_button_left, canvas_draw_button_right
* use new str and button fns in dialog
* real dialog mockup
* add new gui test app recipe
* submenu module init
* delete unused variable
* move buttons to element, add canvas_string_width fn, new center button element
* button icons
* submenu module
* use submenu module, switch views
* keyboard buttons img
* new font for keyboard
* text input (keyboard) module
* add text input to gui test app
* add gui tesst app to release build, fix flags
* handle transition from start and end position, fix input switch
* add long text support to text input
* canvas_string_width and the underlying u8g2_GetStrWidth now return uint16_t
* remove deprecated libs and apps
* canvas_font_max_height fn
* new element, aligned multiline text
* use multiline text instead of plain string
* fix second keyboard row, rename uppercase fn
* qwerty-like keyboard layout
* new icons for iButton app
* better dialog text position and events handling
* remove confusing comment
* new extended dialog module
* extended dialog module usage
* update docs
* new gui module, popup with timeout
* popup usage
* canvas, remove outdated canvas_font_max_height, use canvas_current_font_height
* use furi check
* use new view_enter and view_exit callback for timers
* add DrZlo to gui tester codeowner

Co-authored-by: aanper <mail@s3f.ru>

applications/gui/canvas.h

@@ -13,7 +13,20 @@ typedef enum {
     ColorBlack = 0x01,
 } Color;
 
-typedef enum { FontPrimary = 0x00, FontSecondary = 0x01, FontGlyph = 0x02 } Font;
+typedef enum {
+    FontPrimary = 0x00,
+    FontSecondary = 0x01,
+    FontGlyph = 0x02,
+    FontKeyboard = 0x03
+} Font;
+
+typedef enum {
+    AlignLeft,
+    AlignRight,
+    AlignTop,
+    AlignBottom,
+    AlignCenter,
+} Align;
 
 typedef struct Canvas Canvas;
 
@@ -45,6 +58,11 @@ void canvas_clear(Canvas* canvas);
  */
 void canvas_set_color(Canvas* canvas, Color color);
 
+/*
+ * Invert drawing color
+ */
+void canvas_invert_color(Canvas* canvas);
+
 /*
  * Set drawing font
  */
@@ -55,6 +73,24 @@ void canvas_set_font(Canvas* canvas, Font font);
  */
 void canvas_draw_str(Canvas* canvas, uint8_t x, uint8_t y, const char* str);
 
+/*
+ * Draw aligned string defined by x, y.
+ * Align calculated from position of baseline, string width and ascent (height of the glyphs above the baseline)
+ */
+void canvas_draw_str_aligned(
+    Canvas* canvas,
+    uint8_t x,
+    uint8_t y,
+    Align horizontal,
+    Align vertical,
+    const char* str);
+
+/*
+ * Get string width
+ * @return width in pixels.
+ */
+uint16_t canvas_string_width(Canvas* canvas, const char* str);
+
 /*
  * Draw stateful icon at position defined by x,y.
  */