892 lines
29 KiB
C
892 lines
29 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file src/gwin.c
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* @brief GWIN Driver code.
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*
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* @addtogroup GWIN
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "gwin.h"
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#ifndef _GWIN_C
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#define _GWIN_C
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#if GFX_USE_GWIN || defined(__DOXYGEN__)
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#include <string.h>
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#define GWIN_FLG_DYNAMIC 0x0001
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#define GWIN_FIRST_CONTROL_FLAG 0x0002
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#define GBTN_FLG_ALLOCTXT (GWIN_FIRST_CONTROL_FLAG<<0)
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// Initialise a window creating it dynamicly if required.
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static GHandle gwinInit(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height, size_t size) {
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coord_t w, h;
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// Check the window size against the screen size
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w = gdispGetWidth();
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h = gdispGetHeight();
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if (x < 0) { width += x; x = 0; }
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if (y < 0) { height += y; y = 0; }
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if (x >= w || y >= h) return 0;
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if (x+width > w) width = w - x;
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if (y+height > h) height = h - y;
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// Allocate the structure if necessary
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if (!gw) {
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if (!(gw = (GWindowObject *)malloc(size)))
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return 0;
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gw->flags = GWIN_FLG_DYNAMIC;
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} else
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gw->flags = 0;
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// Initialise all basic fields (except the type)
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gw->x = x;
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gw->y = y;
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gw->width = width;
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gw->height = height;
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gw->color = White;
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gw->bgcolor = Black;
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#if GDISP_NEED_TEXT
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gw->font = 0;
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#endif
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return (GHandle)gw;
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}
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/**
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* @brief Create a basic window.
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* @return NULL if there is no resultant drawing area, otherwise a window handle.
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*
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* @param[in] gw The window structure to initialise. If this is NULL the structure is dynamically allocated.
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* @param[in] x,y The screen co-ordinates for the bottom left corner of the window
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* @param[in] width The width of the window
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* @param[in] height The height of the window
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* @note The default drawing color gets set to White and the background drawing color to Black.
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* @note No default font is set so make sure to set one before drawing any text.
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* @note The dimensions and position may be changed to fit on the real screen.
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* @note The window is not automatically cleared on creation. You must do that by calling gwinClear() (possibly after changing your background color)
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*
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* @api
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*/
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GHandle gwinCreateWindow(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height) {
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if (!(gw = (GWindowObject *)gwinInit((GWindowObject *)gw, x, y, width, height, sizeof(GWindowObject))))
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return 0;
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gw->type = GW_WINDOW;
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return (GHandle)gw;
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}
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/**
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* @brief Destroy a window (of any type). Releases any dynamicly allocated memory.
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*
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* @param[in] gh The window handle
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*
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* @api
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*/
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void gwinDestroyWindow(GHandle gh) {
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// Clean up any type specific dynamic memory allocations
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switch(gh->type) {
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#if GWIN_NEED_BUTTON
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case GW_BUTTON:
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if ((gh->flags & GBTN_FLG_ALLOCTXT)) {
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gh->flags &= ~GBTN_FLG_ALLOCTXT; // To be sure, to be sure
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free((char *)((GButtonObject *)gh)->txt);
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}
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break;
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#endif
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default:
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break;
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}
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// Clean up the structure
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if (gh->flags & GWIN_FLG_DYNAMIC) {
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gh->flags = 0; // To be sure, to be sure
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free(gh);
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}
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}
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#if GDISP_NEED_TEXT
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/**
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* @brief Set the current font for this window.
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*
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* @param[in] gh The window handle
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* @param[in] font The font to use for text functions
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*
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* @api
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*/
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void gwinSetFont(GHandle gh, font_t font) {
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gh->font = font;
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#if GWIN_NEED_CONSOLE
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if (font && gh->type == GW_CONSOLE) {
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((GConsoleObject *)gh)->fy = gdispGetFontMetric(font, fontHeight);
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((GConsoleObject *)gh)->fp = gdispGetFontMetric(font, fontCharPadding);
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}
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#endif
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}
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#endif
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/**
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* @brief Clear the window
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* @note Uses the current background color to clear the window
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*
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* @param[in] gh The window handle
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*
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* @api
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*/
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void gwinClear(GHandle gh) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
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}
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/**
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* @brief Set a pixel in the window
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* @note Uses the current foreground color to set the pixel
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The coordinates of the pixel
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*
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* @api
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*/
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void gwinDrawPixel(GHandle gh, coord_t x, coord_t y) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawPixel(gh->x+x, gh->y+y, gh->color);
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}
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/**
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* @brief Draw a line in the window
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* @note Uses the current foreground color to draw the line
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x0,y0 The start position
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* @param[in] x1,y1 The end position
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*
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* @api
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*/
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void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawLine(gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color);
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}
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/**
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* @brief Draw a box in the window
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* @note Uses the current foreground color to draw the box
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The start position
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* @param[in] cx,cy The size of the box (outside dimensions)
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*
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* @api
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*/
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void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawBox(gh->x+x, gh->y+y, cx, cy, gh->color);
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}
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/**
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* @brief Fill an rectangular area in the window
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* @note Uses the current foreground color to fill the box
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The start position
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* @param[in] cx,cy The size of the box (outside dimensions)
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*
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* @api
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*/
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void gwinFillArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillArea(gh->x+x, gh->y+y, cx, cy, gh->color);
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}
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/**
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* @brief Fill an area in the window using the supplied bitmap.
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* @details The bitmap is in the pixel format specified by the low level driver
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* @note If GDISP_NEED_ASYNC is defined then the buffer must be static
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* or at least retained until this call has finished the blit. You can
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* tell when all graphics drawing is finished by @p gdispIsBusy() going FALSE.
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x, y The start filled area
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* @param[in] cx, cy The width and height to be filled
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* @param[in] srcx, srcy The bitmap position to start the fill from
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* @param[in] srccx The width of a line in the bitmap.
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* @param[in] buffer The pixels to use to fill the area.
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*
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* @api
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*/
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void gwinBlitArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispBlitAreaEx(gh->x+x, gh->y+y, cx, cy, srcx, srcy, srccx, buffer);
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}
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#if GDISP_NEED_CIRCLE
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/**
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* @brief Draw a circle in the window.
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* @note Uses the current foreground color to draw the circle
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x, y The center of the circle
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* @param[in] radius The radius of the circle
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*
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* @api
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*/
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void gwinDrawCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawCircle(gh->x+x, gh->y+y, radius, gh->color);
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}
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#endif
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#if GDISP_NEED_CIRCLE
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/**
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* @brief Draw a filled circle in the window.
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* @note Uses the current foreground color to draw the filled circle
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x, y The center of the circle
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* @param[in] radius The radius of the circle
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*
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* @api
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*/
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void gwinFillCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillCircle(gh->x+x, gh->y+y, radius, gh->color);
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}
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#endif
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#if GDISP_NEED_ELLIPSE
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/**
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* @brief Draw an ellipse.
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* @note Uses the current foreground color to draw the ellipse
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The center of the ellipse
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* @param[in] a,b The dimensions of the ellipse
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*
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* @api
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*/
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void gwinDrawEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawEllipse(gh->x+x, gh->y+y, a, b, gh->color);
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}
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#endif
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#if GDISP_NEED_ELLIPSE
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/**
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* @brief Draw an filled ellipse.
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* @note Uses the current foreground color to draw the filled ellipse
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The center of the ellipse
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* @param[in] a,b The dimensions of the ellipse
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*
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* @api
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*/
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void gwinFillEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillEllipse(gh->x+x, gh->y+y, a, b, gh->color);
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}
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#endif
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#if GDISP_NEED_ARC
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/*
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* @brief Draw an arc in the window.
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* @note Uses the current foreground color to draw the arc
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The center point
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* @param[in] radius The radius of the arc
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* @param[in] start The start angle (0 to 360)
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* @param[in] end The end angle (0 to 360)
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*
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* @api
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*/
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void gwinDrawArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color);
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}
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#endif
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#if GDISP_NEED_ARC
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/*
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* @brief Draw a filled arc in the window.
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* @note Uses the current foreground color to draw the filled arc
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The center point
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* @param[in] radius The radius of the arc
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* @param[in] start The start angle (0 to 360)
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* @param[in] end The end angle (0 to 360)
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*
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* @api
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*/
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void gwinFillArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color);
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}
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#endif
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#if GDISP_NEED_PIXELREAD
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/**
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* @brief Get the color of a pixel in the window.
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* @return The color of the pixel.
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The position in the window
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*
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* @api
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*/
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color_t gwinGetPixelColor(GHandle gh, coord_t x, coord_t y) {
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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return gdispGetPixelColor(gh->x+x, gh->y+y);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text character at the specified position in the window.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The position for the text
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinDrawChar(GHandle gh, coord_t x, coord_t y, char c) {
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if (!gh->font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawChar(gh->x+x, gh->y+y, c, gh->font, gh->color);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text character with a filled background at the specified position in the window.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The position for the text
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinFillChar(GHandle gh, coord_t x, coord_t y, char c) {
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if (!gh->font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispFillChar(gh->x+x, gh->y+y, c, gh->font, gh->color, gh->bgcolor);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text string in the window
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The position for the text
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* @param[in] str The string to draw
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*
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* @api
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*/
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void gwinDrawString(GHandle gh, coord_t x, coord_t y, const char *str) {
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if (!gh->font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gh->x, gh->y, gh->width, gh->height);
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#endif
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gdispDrawString(gh->x+x, gh->y+y, str, gh->font, gh->color);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text string with a filled background in the window
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gh The window handle
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* @param[in] x,y The position for the text
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* @param[in] str The string to draw
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*
|
|
* @api
|
|
*/
|
|
void gwinFillString(GHandle gh, coord_t x, coord_t y, const char *str) {
|
|
if (!gh->font) return;
|
|
#if GDISP_SET_CLIP
|
|
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
|
|
#endif
|
|
gdispFillString(gh->x+x, gh->y+y, str, gh->font, gh->color, gh->bgcolor);
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_NEED_TEXT
|
|
/**
|
|
* @brief Draw a text string verticly centered within the specified box.
|
|
* @pre The font must have been set.
|
|
* @note Uses the current foreground color to draw the character.
|
|
* @note The specified box does not need to align with the window box
|
|
* @note May leave GDISP clipping to this window's dimensions
|
|
*
|
|
* @param[in] gh The window handle
|
|
* @param[in] x,y The position for the text (need to define top-right or base-line - check code)
|
|
* @param[in] str The string to draw
|
|
* @param[in] justify Justify the text left, center or right within the box
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinDrawStringBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, justify_t justify) {
|
|
if (!gh->font) return;
|
|
#if GDISP_SET_CLIP
|
|
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
|
|
#endif
|
|
gdispDrawStringBox(gh->x+x, gh->y+y, cx, cy, str, gh->font, gh->color, justify);
|
|
}
|
|
#endif
|
|
|
|
#if GDISP_NEED_TEXT
|
|
/**
|
|
* @brief Draw a text string verticly centered within the specified filled box.
|
|
* @pre The font must have been set.
|
|
* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
|
|
* @note The entire box is filled. Note this box does not need to align with the window box
|
|
* @note May leave GDISP clipping to this window's dimensions
|
|
*
|
|
* @param[in] gh The window handle
|
|
* @param[in] x,y The position for the text (need to define top-right or base-line - check code)
|
|
* @param[in] str The string to draw
|
|
* @param[in] justify Justify the text left, center or right within the box
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinFillStringBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, justify_t justify) {
|
|
if (!gh->font) return;
|
|
#if GDISP_SET_CLIP
|
|
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
|
|
#endif
|
|
gdispFillStringBox(gh->x+x, gh->y+y, cx, cy, str, gh->font, gh->color, gh->bgcolor, justify);
|
|
}
|
|
#endif
|
|
|
|
/*------------------------------------------------------------------------------------------------------------------------*/
|
|
|
|
#if GWIN_NEED_CONSOLE
|
|
|
|
/*
|
|
* Stream interface implementation. The interface is write only
|
|
*/
|
|
|
|
#define Stream2GWindow(ip) ((GHandle)(((char *)(ip)) - (size_t)(&(((GConsoleObject *)0)->stream))))
|
|
|
|
static size_t GWinStreamWrite(void *ip, const uint8_t *bp, size_t n) { gwinPutCharArray(Stream2GWindow(ip), (const char *)bp, n); return RDY_OK; }
|
|
static size_t GWinStreamRead(void *ip, uint8_t *bp, size_t n) { (void)ip; (void)bp; (void)n; return 0; }
|
|
static msg_t GWinStreamPut(void *ip, uint8_t b) { gwinPutChar(Stream2GWindow(ip), (char)b); return RDY_OK; }
|
|
static msg_t GWinStreamGet(void *ip) {(void)ip; return RDY_OK; }
|
|
static msg_t GWinStreamPutTimed(void *ip, uint8_t b, systime_t time) { (void)time; gwinPutChar(Stream2GWindow(ip), (char)b); return RDY_OK; }
|
|
static msg_t GWinStreamGetTimed(void *ip, systime_t timeout) { (void)ip; (void)timeout; return RDY_OK; }
|
|
static size_t GWinStreamWriteTimed(void *ip, const uint8_t *bp, size_t n, systime_t time) { (void)time; gwinPutCharArray(Stream2GWindow(ip), (const char *)bp, n); return RDY_OK; }
|
|
static size_t GWinStreamReadTimed(void *ip, uint8_t *bp, size_t n, systime_t time) { (void)ip; (void)bp; (void)n; (void)time; return 0; }
|
|
|
|
struct GConsoleWindowVMT_t {
|
|
_base_asynchronous_channel_methods
|
|
};
|
|
|
|
static const struct GConsoleWindowVMT_t GWindowConsoleVMT = {
|
|
GWinStreamWrite,
|
|
GWinStreamRead,
|
|
GWinStreamPut,
|
|
GWinStreamGet,
|
|
GWinStreamPutTimed,
|
|
GWinStreamGetTimed,
|
|
GWinStreamWriteTimed,
|
|
GWinStreamReadTimed
|
|
};
|
|
|
|
/**
|
|
* @brief Create a console window.
|
|
* @details A console window allows text to be written using chprintf() (and the console functions defined here).
|
|
* @brief Text in a console window supports newlines and will wrap text as required.
|
|
* @return NULL if there is no resultant drawing area, otherwise a window handle.
|
|
*
|
|
* @param[in] gc The GConsoleObject structure to initialise. If this is NULL the structure is dynamically allocated.
|
|
* @param[in] x,y The screen co-ordinates for the bottom left corner of the window
|
|
* @param[in] width The width of the window
|
|
* @param[in] height The height of the window
|
|
* @param[in] font The font to use
|
|
* @note The console is not automatically cleared on creation. You must do that by calling gwinClear() (possibly after changing your background color)
|
|
* @note If the dispay does not support scrolling, the window will be cleared when the bottom line is reached.
|
|
* @note The default drawing color gets set to White and the background drawing color to Black.
|
|
* @note The dimensions and position may be changed to fit on the real screen.
|
|
*
|
|
* @api
|
|
*/
|
|
GHandle gwinCreateConsole(GConsoleObject *gc, coord_t x, coord_t y, coord_t width, coord_t height, font_t font) {
|
|
if (!(gc = (GConsoleObject *)gwinInit((GWindowObject *)gc, x, y, width, height, sizeof(GConsoleObject))))
|
|
return 0;
|
|
gc->gwin.type = GW_CONSOLE;
|
|
gwinSetFont(&gc->gwin, font);
|
|
gc->stream.vmt = &GWindowConsoleVMT;
|
|
gc->cx = 0;
|
|
gc->cy = 0;
|
|
return (GHandle)gc;
|
|
}
|
|
|
|
/**
|
|
* @brief Get a stream from a console window suitable for use with chprintf().
|
|
* @return The stream handle or NULL if this is not a console window.
|
|
*
|
|
* @param[in] gh The window handle (must be a console window)
|
|
*
|
|
* @api
|
|
*/
|
|
BaseSequentialStream *gwinGetConsoleStream(GHandle gh) {
|
|
if (gh->type != GW_CONSOLE)
|
|
return 0;
|
|
return (BaseSequentialStream *)&(((GConsoleObject *)(gh))->stream);
|
|
}
|
|
|
|
/**
|
|
* @brief Put a character at the cursor position in the window.
|
|
* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
|
|
*
|
|
* @param[in] gh The window handle (must be a console window)
|
|
* @param[in] c The character to draw
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinPutChar(GHandle gh, char c) {
|
|
uint8_t width;
|
|
#define gcw ((GConsoleObject *)gh)
|
|
|
|
if (gh->type != GW_CONSOLE || !gh->font) return;
|
|
|
|
#if GDISP_SET_CLIP
|
|
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
|
|
#endif
|
|
|
|
if (c == '\n') {
|
|
/* clear the text at the end of the line */
|
|
if (gcw->cx < gh->width)
|
|
gdispFillArea(gh->x + gcw->cx, gh->y + gcw->cy, gh->width - gcw->cx, gcw->fy, gh->bgcolor);
|
|
gcw->cx = 0;
|
|
gcw->cy += gcw->fy;
|
|
} else if (c == '\r') {
|
|
// gcw->cx = 0;
|
|
} else {
|
|
width = gdispGetCharWidth(c, gh->font) + gcw->fp;
|
|
if (gcw->cx + width >= gh->width) {
|
|
/* clear the text at the end of the line */
|
|
if (gcw->cy + gcw->fy <= gh->height)
|
|
gdispFillArea(gh->x + gcw->cx, gh->y + gcw->cy, gh->width - (gcw->cx + width), gcw->fy, gh->bgcolor);
|
|
gcw->cx = 0;
|
|
gcw->cy += gcw->fy;
|
|
}
|
|
|
|
if (gcw->cy + gcw->fy > gh->height) {
|
|
#if GDISP_NEED_SCROLL
|
|
/* scroll the console */
|
|
gdispVerticalScroll(gh->x, gh->y, gh->width, gh->height, gcw->fy, gh->bgcolor);
|
|
/* reset the cursor to the start of the last line */
|
|
gcw->cx = 0;
|
|
gcw->cy = (((coord_t)(gh->height/gcw->fy))-1)*gcw->fy;
|
|
#else
|
|
/* clear the console */
|
|
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
|
|
/* reset the cursor to the top of the window */
|
|
gcw->cx = 0;
|
|
gcw->cy = 0;
|
|
#endif
|
|
}
|
|
|
|
gdispDrawChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color);
|
|
|
|
/* update cursor */
|
|
gcw->cx += width;
|
|
}
|
|
#undef gcw
|
|
}
|
|
|
|
/**
|
|
* @brief Put a string at the cursor position in the window. It will wrap lines as required.
|
|
* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
|
|
*
|
|
* @param[in] gh The window handle (must be a console window)
|
|
* @param[in] str The string to draw
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinPutString(GHandle gh, const char *str) {
|
|
while(*str)
|
|
gwinPutChar(gh, *str++);
|
|
}
|
|
|
|
/**
|
|
* @brief Put the character array at the cursor position in the window. It will wrap lines as required.
|
|
* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
|
|
*
|
|
* @param[in] gh The window handle (must be a console window)
|
|
* @param[in] str The string to draw
|
|
* @param[in] n The number of characters to draw
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinPutCharArray(GHandle gh, const char *str, size_t n) {
|
|
while(n--)
|
|
gwinPutChar(gh, *str++);
|
|
}
|
|
#endif
|
|
|
|
/*------------------------------------------------------------------------------------------------------------------------*/
|
|
|
|
#if GWIN_NEED_BUTTON
|
|
|
|
static const GButtonStyle GButtonDefaultStyle = {
|
|
GBTN_3D,
|
|
HTML2COLOR(0x404040), // color_up_edge;
|
|
HTML2COLOR(0xE0E0E0), // color_up_fill;
|
|
HTML2COLOR(0x000000), // color_up_txt;
|
|
HTML2COLOR(0x404040), // color_dn_edge;
|
|
HTML2COLOR(0x808080), // color_dn_fill;
|
|
HTML2COLOR(0x404040), // color_dn_txt;
|
|
};
|
|
|
|
/**
|
|
* @brief Create a button window.
|
|
* @return NULL if there is no resultant drawing area, otherwise a window handle.
|
|
*
|
|
* @param[in] gb The GConsoleWindow structure to initialise
|
|
* @param[in] x,y The screen co-ordinates for the bottom left corner of the window
|
|
* @param[in] width The width of the window
|
|
* @param[in] height The height of the window
|
|
* @param[in] font The font to use
|
|
* @param[in] type The type of button
|
|
* @note The drawing color gets set to White and the background drawing color to Black.
|
|
* @note The dimensions and position may be changed to fit on the real screen.
|
|
* @note The button is not automatically drawn. Call gwinButtonDraw() after changing the button style or setting the text.
|
|
*
|
|
* @api
|
|
*/
|
|
GHandle gwinCreateButton(GButtonObject *gb, coord_t x, coord_t y, coord_t width, coord_t height, font_t font, GButtonType type) {
|
|
if (!(gb = (GButtonObject *)gwinInit((GWindowObject *)gb, x, y, width, height, sizeof(GButtonObject))))
|
|
return 0;
|
|
gb->gwin.type = GW_BUTTON;
|
|
gwinSetFont(&gb->gwin, font);
|
|
gwinSetButtonStyle(&gb->gwin, &GButtonDefaultStyle);
|
|
gb->type = type;
|
|
gb->state = GBTN_UP;
|
|
gb->txt = "";
|
|
gb->callback = 0;
|
|
gb->inputsrc = 0;
|
|
return (GHandle)gb;
|
|
}
|
|
|
|
/**
|
|
* @brief Set the style of a button.
|
|
* @details The button style is defined by its shape and colours.
|
|
*
|
|
* @param[in] gh The window handle (must be a button window)
|
|
* @param[in] style The button style to set.
|
|
* @note The button is not automatically redrawn. Call gwinButtonDraw() after changing the button style
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinSetButtonStyle(GHandle gh, const GButtonStyle *style) {
|
|
#define gbw ((GButtonObject *)gh)
|
|
if (gh->type != GW_BUTTON)
|
|
return;
|
|
|
|
gbw->style.shape = style->shape;
|
|
gbw->style.color_up_edge = style->color_up_edge;
|
|
gbw->style.color_up_fill = style->color_up_fill;
|
|
gbw->style.color_dn_edge = style->color_dn_edge;
|
|
gbw->style.color_dn_fill = style->color_dn_fill;
|
|
gbw->style.color_up_txt = style->color_up_txt;
|
|
gbw->style.color_dn_txt = style->color_dn_txt;
|
|
#undef gbw
|
|
}
|
|
|
|
/**
|
|
* @brief Set the text of a button.
|
|
*
|
|
* @param[in] gh The window handle (must be a button window)
|
|
* @param[in] txt The button text to set. This must be a constant string unless useAlloc is set.
|
|
* @param[in] useAlloc If TRUE the string specified will be copied into dynamically allocated memory.
|
|
* @note The button is not automatically redrawn. Call gwinButtonDraw() after changing the button text.
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinSetButtonText(GHandle gh, const char *txt, bool_t useAlloc) {
|
|
#define gbw ((GButtonObject *)gh)
|
|
if (gh->type != GW_BUTTON)
|
|
return;
|
|
|
|
// Dispose of the old string
|
|
if ((gh->flags & GBTN_FLG_ALLOCTXT)) {
|
|
gh->flags &= ~GBTN_FLG_ALLOCTXT;
|
|
if (gbw->txt) {
|
|
free((char *)gbw->txt);
|
|
gbw->txt = "";
|
|
}
|
|
}
|
|
// Alloc the new text if required
|
|
if (txt && useAlloc) {
|
|
char *str;
|
|
|
|
if ((str = (char *)malloc(strlen(txt)+1))) {
|
|
gh->flags |= GBTN_FLG_ALLOCTXT;
|
|
strcpy(str, txt);
|
|
}
|
|
txt = (const char *)str;
|
|
}
|
|
|
|
gbw->txt = txt ? txt : "";
|
|
#undef gbw
|
|
}
|
|
|
|
/**
|
|
* @brief Redraw the button.
|
|
*
|
|
* @param[in] gh The window handle (must be a button window)
|
|
*
|
|
* @api
|
|
*/
|
|
void gwinButtonDraw(GHandle gh) {
|
|
color_t cedge;
|
|
color_t cfill;
|
|
color_t ctxt;
|
|
const char * txt;
|
|
#define gbw ((GButtonObject *)gh)
|
|
#define RND_CNR_SIZE 5
|
|
|
|
if (gh->type != GW_BUTTON)
|
|
return;
|
|
|
|
#if GDISP_SET_CLIP
|
|
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
|
|
#endif
|
|
|
|
// Get the text (safely)
|
|
txt = gh->font && gbw->txt ? gbw->txt : "";
|
|
|
|
// Determine the colors to use
|
|
switch(gbw->state) {
|
|
case GBTN_DOWN:
|
|
cedge = gbw->style.color_dn_edge;
|
|
cfill = gbw->style.color_dn_fill;
|
|
ctxt = gbw->style.color_dn_txt;
|
|
break;
|
|
case GBTN_UP: default:
|
|
cedge = gbw->style.color_up_edge;
|
|
cfill = gbw->style.color_up_fill;
|
|
ctxt = gbw->style.color_up_txt;
|
|
break;
|
|
}
|
|
|
|
// Draw according to the shape specified.
|
|
switch(gbw->style.shape) {
|
|
#if GDISP_NEED_ARC
|
|
case GBTN_ROUNDED:
|
|
if (gh->width >= 2*RND_CNR_SIZE+10) {
|
|
gdispFillRoundedBox(gh->x+1, gh->y+1, gh->width-2, gh->height-2, RND_CNR_SIZE-1, cfill);
|
|
gdispDrawStringBox(gh->x+1, gh->y+RND_CNR_SIZE, gh->width-2, gh->height-(2*RND_CNR_SIZE), txt, gh->font, ctxt, justifyCenter);
|
|
gdispDrawRoundedBox(gh->x, gh->y, gh->width, gh->height, RND_CNR_SIZE, cedge);
|
|
break;
|
|
}
|
|
/* Fall Through */
|
|
#endif
|
|
case GBTN_SQUARE:
|
|
gdispFillStringBox(gh->x+1, gh->y+1, gh->width-2, gh->height-2, txt, gh->font, ctxt, cfill, justifyCenter);
|
|
gdispDrawBox(gh->x, gh->y, gh->width, gh->height, cedge);
|
|
break;
|
|
#if GDISP_NEED_ELLIPSE
|
|
case GBTN_ELLIPSE:
|
|
gdispFillEllipse(gh->x+1, gh->y+1, gh->width/2-1, gh->height/2-1, cfill);
|
|
gdispDrawStringBox(gh->x+1, gh->y+1, gh->width-2, gh->height-2, txt, gh->font, ctxt, justifyCenter);
|
|
gdispDrawEllipse(gh->x, gh->y, gh->width/2, gh->height/2, cedge);
|
|
break;
|
|
#endif
|
|
case GBTN_3D: default:
|
|
gdispFillStringBox(gh->x, gh->y, gh->width-1, gh->height-1, txt, gh->font, ctxt, cfill, justifyCenter);
|
|
gdispDrawLine(gh->x+gh->width-1, gh->y, gh->x+gh->width-1, gh->y+gh->height-1, cedge);
|
|
gdispDrawLine(gh->x, gh->y+gh->height-1, gh->x+gh->width-2, gh->y+gh->height-1, cedge);
|
|
break;
|
|
}
|
|
#undef gbw
|
|
}
|
|
|
|
//void gwinSetButtonCallback(GHandle gh, ????);
|
|
//void gwinSetButtonInput(GHandle gh, ????);
|
|
#endif
|
|
|
|
#endif /* GFX_USE_GWIN */
|
|
|
|
#endif /* _GWIN_C */
|
|
/** @} */
|
|
|