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- /*****************
- * grid_layout.h *
- *****************/
-
- /****************************************************************************
- * Written By Marcio Teixeira 2018 - Aleph Objects, Inc. *
- * *
- * This program is free software: you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation, either version 3 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * To view a copy of the GNU General Public License, go to the following *
- * location: <http://www.gnu.org/licenses/>. *
- ****************************************************************************/
-
- #pragma once
-
- /* The grid layout macros allow buttons to be arranged on a grid so
- * that their locations become independent of the display size. The
- * layout model is similar to that of HTML TABLEs.
- *
- * These macros are meant to be evaluated into constants at compile
- * time, so resolution independence can be as efficient as using
- * hard-coded coordinates.
- */
-
- // Margin defines the margin (in pixels) on each side of a button in
- // the layout
-
- #ifdef TOUCH_UI_800x480
- #define MARGIN_L 5
- #define MARGIN_R 5
- #define MARGIN_T 5
- #define MARGIN_B 5
- #define MARGIN_DEFAULT 5
- #else
- #define MARGIN_L 3
- #define MARGIN_R 3
- #define MARGIN_T 3
- #define MARGIN_B 3
- #define MARGIN_DEFAULT 3
- #endif
-
- // EDGE_R adds some black space on the right edge of the display
- // This shifts some of the screens left to visually center them.
-
- #define EDGE_R 0
-
- // GRID_X and GRID_Y computes the positions of the divisions on
- // the layout grid.
- #define GRID_X(x) ((x)*(FTDI::display_width-EDGE_R)/GRID_COLS)
- #define GRID_Y(y) ((y)*FTDI::display_height/GRID_ROWS)
-
- // BTN_X, BTN_Y, BTN_W and BTN_X returns the top-left and width
- // and height of a button, taking into account the button margins.
-
- #define BTN_X(x) (GRID_X((x)-1) + MARGIN_L)
- #define BTN_Y(y) (GRID_Y((y)-1) + MARGIN_T)
- #define BTN_W(w) (GRID_X(w) - MARGIN_L - MARGIN_R)
- #define BTN_H(h) (GRID_Y(h) - MARGIN_T - MARGIN_B)
-
- // Abbreviations for common phrases, to allow a button to be
- // defined in one line of source.
- #define BTN_POS(x,y) BTN_X(x), BTN_Y(y)
- #define BTN_SIZE(w,h) BTN_W(w), BTN_H(h)
-
- // Draw a reference grid for ease of spacing out widgets.
- #define DRAW_LAYOUT_GRID \
- { \
- cmd.cmd(LINE_WIDTH(4)); \
- for(int i = 1; i <= GRID_COLS; i++) { \
- cmd.cmd(BEGIN(LINES)); \
- cmd.cmd(VERTEX2F(GRID_X(i) *16, 0 *16)); \
- cmd.cmd(VERTEX2F(GRID_X(i) *16, FTDI::display_height *16)); \
- } \
- for(int i = 1; i < GRID_ROWS; i++) { \
- cmd.cmd(BEGIN(LINES)); \
- cmd.cmd(VERTEX2F(0 *16, GRID_Y(i) *16)); \
- cmd.cmd(VERTEX2F(FTDI::display_width *16, GRID_Y(i) *16)); \
- } \
- cmd.cmd(LINE_WIDTH(16)); \
- }
-
- namespace FTDI {
- #ifdef TOUCH_UI_PORTRAIT
- constexpr uint16_t display_width = Vsize;
- constexpr uint16_t display_height = Hsize;
- #else
- constexpr uint16_t display_width = Hsize;
- constexpr uint16_t display_height = Vsize;
- #endif
- }
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