From 57435fb4c2dc7bbb0c87edbaca8979aa49678e11 Mon Sep 17 00:00:00 2001 From: Andrew Hannam Date: Sat, 2 Mar 2013 22:03:40 +1000 Subject: [PATCH] Fix to allow destroying of gwin buttons --- src/gevent/gevent.c | 394 ++++++++-------- src/gwin/gwin.c | 1090 ++++++++++++++++++++++--------------------- 2 files changed, 743 insertions(+), 741 deletions(-) diff --git a/src/gevent/gevent.c b/src/gevent/gevent.c index f3d909f0..f6d45f1a 100644 --- a/src/gevent/gevent.c +++ b/src/gevent/gevent.c @@ -1,197 +1,197 @@ -/* - ChibiOS/GFX - Copyright (C) 2012 - Joel Bodenmann aka Tectu - - This file is part of ChibiOS/GFX. - - ChibiOS/GFX 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. - - ChibiOS/GFX 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. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ - -/** - * @file src/gevent/gevent.c - * @brief GEVENT Driver code. - * - * @addtogroup GEVENT - * @{ - */ -#include "ch.h" -#include "hal.h" -#include "gfx.h" - -#if GFX_USE_GEVENT || defined(__DOXYGEN__) - -#if GEVENT_ASSERT_NO_RESOURCE - #define GEVENT_ASSERT(x) assert(x) -#else - #define GEVENT_ASSERT(x) -#endif - -/* This mutex protects access to our tables */ -static MUTEX_DECL(geventMutex); - -/* Our table of listener/source pairs */ -static GSourceListener Assignments[GEVENT_MAX_SOURCE_LISTENERS]; - -/* Loop through the assignment table deleting this listener/source pair. */ -/* Null is treated as a wildcard. */ -static void deleteAssignments(GListener *pl, GSourceHandle gsh) { - GSourceListener *psl; - - for(psl = Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { - if ((!pl || psl->pListener == pl) && (!gsh || psl->pSource == gsh)) { - if (chSemGetCounterI(&psl->pListener->waitqueue) < 0) { - chBSemWait(&psl->pListener->eventlock); // Obtain the buffer lock - psl->pListener->event.type = GEVENT_EXIT; // Set up the EXIT event - chSemSignal(&psl->pListener->waitqueue); // Wake up the listener - chBSemSignal(&psl->pListener->eventlock); // Release the buffer lock - } - psl->pListener = 0; - } - } -} - -void geventListenerInit(GListener *pl) { - chSemInit(&pl->waitqueue, 0); // Next wait'er will block - chBSemInit(&pl->eventlock, FALSE); // Only one thread at a time looking at the event buffer - pl->callback = 0; // No callback active - pl->event.type = GEVENT_NULL; // Always safety -} - -bool_t geventAttachSource(GListener *pl, GSourceHandle gsh, unsigned flags) { - GSourceListener *psl, *pslfree; - - // Safety first - if (!pl || !gsh) { - GEVENT_ASSERT(FALSE); - return FALSE; - } - - chMtxLock(&geventMutex); - - // Check if this pair is already in the table (scan for a free slot at the same time) - pslfree = 0; - for(psl = Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { - - if (pl == psl->pListener && gsh == psl->pSource) { - // Just update the flags - chBSemWait(&pl->eventlock); // Safety first - just in case a source is using it - psl->listenflags = flags; - chBSemSignal(&pl->eventlock); // Release this lock - chMtxUnlock(); - return TRUE; - } - if (!pslfree && !psl->pListener) - pslfree = psl; - } - - // A free slot was found - allocate it - if (pslfree) { - pslfree->pListener = pl; - pslfree->pSource = gsh; - pslfree->listenflags = flags; - pslfree->srcflags = 0; - } - chMtxUnlock(); - GEVENT_ASSERT(pslfree != 0); - return pslfree != 0; -} - -void geventDetachSource(GListener *pl, GSourceHandle gsh) { - if (pl && gsh) { - chMtxLock(&geventMutex); - deleteAssignments(pl, gsh); - if (!gsh && chSemGetCounterI(&pl->waitqueue) < 0) { - chBSemWait(&pl->eventlock); // Obtain the buffer lock - pl->event.type = GEVENT_EXIT; // Set up the EXIT event - chSemSignal(&pl->waitqueue); // Wake up the listener - chBSemSignal(&pl->eventlock); // Release the buffer lock - } - chMtxUnlock(); - } -} - -GEvent *geventEventWait(GListener *pl, systime_t timeout) { - if (pl->callback || chSemGetCounterI(&pl->waitqueue) < 0) - return 0; - return chSemWaitTimeout(&pl->waitqueue, timeout) == RDY_OK ? &pl->event : 0; -} - -void geventRegisterCallback(GListener *pl, GEventCallbackFn fn, void *param) { - if (pl) { - chMtxLock(&geventMutex); - chBSemWait(&pl->eventlock); // Obtain the buffer lock - pl->param = param; // Set the param - pl->callback = fn; // Set the callback function - if (chSemGetCounterI(&pl->waitqueue) < 0) { - pl->event.type = GEVENT_EXIT; // Set up the EXIT event - chSemSignal(&pl->waitqueue); // Wake up the listener - } - chBSemSignal(&pl->eventlock); // Release the buffer lock - chMtxUnlock(); - } -} - -GSourceListener *geventGetSourceListener(GSourceHandle gsh, GSourceListener *lastlr) { - GSourceListener *psl; - - // Safety first - if (!gsh) - return 0; - - chMtxLock(&geventMutex); - - // Unlock the last listener event buffer - if (lastlr) - chBSemSignal(&lastlr->pListener->eventlock); - - // Loop through the table looking for attachments to this source - for(psl = lastlr ? (lastlr+1) : Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { - if (gsh == psl->pSource) { - chBSemWait(&psl->pListener->eventlock); // Obtain a lock on the listener event buffer - chMtxUnlock(); - return psl; - } - } - chMtxUnlock(); - return 0; -} - -GEvent *geventGetEventBuffer(GSourceListener *psl) { - // We already know we have the event lock - return &psl->pListener->callback || chSemGetCounterI(&psl->pListener->waitqueue) < 0 ? &psl->pListener->event : 0; -} - -void geventSendEvent(GSourceListener *psl) { - chMtxLock(&geventMutex); - if (psl->pListener->callback) { // This test needs to be taken inside the mutex - chMtxUnlock(); - // We already know we have the event lock - psl->pListener->callback(psl->pListener->param, &psl->pListener->event); - - } else { - // Wake up the listener - if (chSemGetCounterI(&psl->pListener->waitqueue) < 0) - chSemSignal(&psl->pListener->waitqueue); - chMtxUnlock(); - } -} - -void geventDetachSourceListeners(GSourceHandle gsh) { - chMtxLock(&geventMutex); - deleteAssignments(0, gsh); - chMtxUnlock(); -} - -#endif /* GFX_USE_GEVENT */ -/** @} */ +/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX 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. + + ChibiOS/GFX 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. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file src/gevent/gevent.c + * @brief GEVENT Driver code. + * + * @addtogroup GEVENT + * @{ + */ +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if GFX_USE_GEVENT || defined(__DOXYGEN__) + +#if GEVENT_ASSERT_NO_RESOURCE + #define GEVENT_ASSERT(x) assert(x) +#else + #define GEVENT_ASSERT(x) +#endif + +/* This mutex protects access to our tables */ +static MUTEX_DECL(geventMutex); + +/* Our table of listener/source pairs */ +static GSourceListener Assignments[GEVENT_MAX_SOURCE_LISTENERS]; + +/* Loop through the assignment table deleting this listener/source pair. */ +/* Null is treated as a wildcard. */ +static void deleteAssignments(GListener *pl, GSourceHandle gsh) { + GSourceListener *psl; + + for(psl = Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { + if ((!pl || psl->pListener == pl) && (!gsh || psl->pSource == gsh)) { + if (chSemGetCounterI(&psl->pListener->waitqueue) < 0) { + chBSemWait(&psl->pListener->eventlock); // Obtain the buffer lock + psl->pListener->event.type = GEVENT_EXIT; // Set up the EXIT event + chSemSignal(&psl->pListener->waitqueue); // Wake up the listener + chBSemSignal(&psl->pListener->eventlock); // Release the buffer lock + } + psl->pListener = 0; + } + } +} + +void geventListenerInit(GListener *pl) { + chSemInit(&pl->waitqueue, 0); // Next wait'er will block + chBSemInit(&pl->eventlock, FALSE); // Only one thread at a time looking at the event buffer + pl->callback = 0; // No callback active + pl->event.type = GEVENT_NULL; // Always safety +} + +bool_t geventAttachSource(GListener *pl, GSourceHandle gsh, unsigned flags) { + GSourceListener *psl, *pslfree; + + // Safety first + if (!pl || !gsh) { + GEVENT_ASSERT(FALSE); + return FALSE; + } + + chMtxLock(&geventMutex); + + // Check if this pair is already in the table (scan for a free slot at the same time) + pslfree = 0; + for(psl = Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { + + if (pl == psl->pListener && gsh == psl->pSource) { + // Just update the flags + chBSemWait(&pl->eventlock); // Safety first - just in case a source is using it + psl->listenflags = flags; + chBSemSignal(&pl->eventlock); // Release this lock + chMtxUnlock(); + return TRUE; + } + if (!pslfree && !psl->pListener) + pslfree = psl; + } + + // A free slot was found - allocate it + if (pslfree) { + pslfree->pListener = pl; + pslfree->pSource = gsh; + pslfree->listenflags = flags; + pslfree->srcflags = 0; + } + chMtxUnlock(); + GEVENT_ASSERT(pslfree != 0); + return pslfree != 0; +} + +void geventDetachSource(GListener *pl, GSourceHandle gsh) { + if (pl) { + chMtxLock(&geventMutex); + deleteAssignments(pl, gsh); + if (!gsh && chSemGetCounterI(&pl->waitqueue) < 0) { + chBSemWait(&pl->eventlock); // Obtain the buffer lock + pl->event.type = GEVENT_EXIT; // Set up the EXIT event + chSemSignal(&pl->waitqueue); // Wake up the listener + chBSemSignal(&pl->eventlock); // Release the buffer lock + } + chMtxUnlock(); + } +} + +GEvent *geventEventWait(GListener *pl, systime_t timeout) { + if (pl->callback || chSemGetCounterI(&pl->waitqueue) < 0) + return 0; + return chSemWaitTimeout(&pl->waitqueue, timeout) == RDY_OK ? &pl->event : 0; +} + +void geventRegisterCallback(GListener *pl, GEventCallbackFn fn, void *param) { + if (pl) { + chMtxLock(&geventMutex); + chBSemWait(&pl->eventlock); // Obtain the buffer lock + pl->param = param; // Set the param + pl->callback = fn; // Set the callback function + if (chSemGetCounterI(&pl->waitqueue) < 0) { + pl->event.type = GEVENT_EXIT; // Set up the EXIT event + chSemSignal(&pl->waitqueue); // Wake up the listener + } + chBSemSignal(&pl->eventlock); // Release the buffer lock + chMtxUnlock(); + } +} + +GSourceListener *geventGetSourceListener(GSourceHandle gsh, GSourceListener *lastlr) { + GSourceListener *psl; + + // Safety first + if (!gsh) + return 0; + + chMtxLock(&geventMutex); + + // Unlock the last listener event buffer + if (lastlr) + chBSemSignal(&lastlr->pListener->eventlock); + + // Loop through the table looking for attachments to this source + for(psl = lastlr ? (lastlr+1) : Assignments; psl < Assignments+GEVENT_MAX_SOURCE_LISTENERS; psl++) { + if (gsh == psl->pSource) { + chBSemWait(&psl->pListener->eventlock); // Obtain a lock on the listener event buffer + chMtxUnlock(); + return psl; + } + } + chMtxUnlock(); + return 0; +} + +GEvent *geventGetEventBuffer(GSourceListener *psl) { + // We already know we have the event lock + return &psl->pListener->callback || chSemGetCounterI(&psl->pListener->waitqueue) < 0 ? &psl->pListener->event : 0; +} + +void geventSendEvent(GSourceListener *psl) { + chMtxLock(&geventMutex); + if (psl->pListener->callback) { // This test needs to be taken inside the mutex + chMtxUnlock(); + // We already know we have the event lock + psl->pListener->callback(psl->pListener->param, &psl->pListener->event); + + } else { + // Wake up the listener + if (chSemGetCounterI(&psl->pListener->waitqueue) < 0) + chSemSignal(&psl->pListener->waitqueue); + chMtxUnlock(); + } +} + +void geventDetachSourceListeners(GSourceHandle gsh) { + chMtxLock(&geventMutex); + deleteAssignments(0, gsh); + chMtxUnlock(); +} + +#endif /* GFX_USE_GEVENT */ +/** @} */ diff --git a/src/gwin/gwin.c b/src/gwin/gwin.c index 4eef79ad..e449b830 100644 --- a/src/gwin/gwin.c +++ b/src/gwin/gwin.c @@ -1,544 +1,546 @@ -/* - ChibiOS/GFX - Copyright (C) 2012 - Joel Bodenmann aka Tectu - - This file is part of ChibiOS/GFX. - - ChibiOS/GFX 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. - - ChibiOS/GFX 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. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ -/** - * @file src/gwin/gwin.c - * @brief GWIN sub-system code. - * - * @defgroup Window Window - * @ingroup GWIN - * - * @{ - */ - -#include "ch.h" -#include "hal.h" -#include "gfx.h" - -#if GFX_USE_GWIN || defined(__DOXYGEN__) - -#include "gwin/internal.h" - -// Internal routine for use by GWIN components only -// Initialise a window creating it dynamicly if required. -GHandle _gwinInit(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height, size_t size) { - coord_t w, h; - - // Check the window size against the screen size - w = gdispGetWidth(); - h = gdispGetHeight(); - if (x < 0) { width += x; x = 0; } - if (y < 0) { height += y; y = 0; } - if (x >= w || y >= h) return 0; - if (x+width > w) width = w - x; - if (y+height > h) height = h - y; - - // Allocate the structure if necessary - if (!gw) { - if (!(gw = (GWindowObject *)chHeapAlloc(NULL, size))) - return 0; - gw->flags = GWIN_FLG_DYNAMIC; - } else - gw->flags = 0; - - // Initialise all basic fields (except the type) - gw->x = x; - gw->y = y; - gw->width = width; - gw->height = height; - gw->color = White; - gw->bgcolor = Black; -#if GDISP_NEED_TEXT - gw->font = 0; -#endif - return (GHandle)gw; -} - -/** - * @brief Create a basic window. - * @return NULL if there is no resultant drawing area, otherwise a window handle. - * - * @param[in] gw The window 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 - * @note The default drawing color gets set to White and the background drawing color to Black. - * @note No default font is set so make sure to set one before drawing any text. - * @note The dimensions and position may be changed to fit on the real screen. - * @note The window is not automatically cleared on creation. You must do that by calling gwinClear() (possibly after changing your background color) - * - * @api - */ -GHandle gwinCreateWindow(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height) { - if (!(gw = (GWindowObject *)_gwinInit((GWindowObject *)gw, x, y, width, height, sizeof(GWindowObject)))) - return 0; - gw->type = GW_WINDOW; - return (GHandle)gw; -} - -/** - * @brief Destroy a window (of any type). Releases any dynamicly allocated memory. - * - * @param[in] gh The window handle - * - * @api - */ -void gwinDestroyWindow(GHandle gh) { - // Clean up any type specific dynamic memory allocations - switch(gh->type) { -#if GWIN_NEED_BUTTON - case GW_BUTTON: - if ((gh->flags & GBTN_FLG_ALLOCTXT)) { - gh->flags &= ~GBTN_FLG_ALLOCTXT; // To be sure, to be sure - chHeapFree((void *)((GButtonObject *)gh)->txt); - } - break; -#endif - default: - break; - } - - // Clean up the structure - if (gh->flags & GWIN_FLG_DYNAMIC) { - gh->flags = 0; // To be sure, to be sure - chHeapFree((void *)gh); - } -} - -#if GDISP_NEED_TEXT || defined(__DOXYGEN__) -/** - * @brief Set the current font for this window. - * - * @param[in] gh The window handle - * @param[in] font The font to use for text functions - * - * @api - */ -void gwinSetFont(GHandle gh, font_t font) { - gh->font = font; -#if GWIN_NEED_CONSOLE - if (font && gh->type == GW_CONSOLE) { - ((GConsoleObject *)gh)->fy = gdispGetFontMetric(font, fontHeight); - ((GConsoleObject *)gh)->fp = gdispGetFontMetric(font, fontCharPadding); - } -#endif -} -#endif - -/** - * @brief Clear the window - * @note Uses the current background color to clear the window - * - * @param[in] gh The window handle - * - * @api - */ -void gwinClear(GHandle gh) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor); - - #if GWIN_NEED_CONSOLE - if (gh->type == GW_CONSOLE) { - ((GConsoleObject *)gh)->cx = 0; - ((GConsoleObject *)gh)->cy = 0; - } - #endif -} - -/** - * @brief Set a pixel in the window - * @note Uses the current foreground color to set the pixel - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The coordinates of the pixel - * - * @api - */ -void gwinDrawPixel(GHandle gh, coord_t x, coord_t y) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawPixel(gh->x+x, gh->y+y, gh->color); -} - -/** - * @brief Draw a line in the window - * @note Uses the current foreground color to draw the line - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x0,y0 The start position - * @param[in] x1,y1 The end position - * - * @api - */ -void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawLine(gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color); -} - -/** - * @brief Draw a box in the window - * @note Uses the current foreground color to draw the box - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The start position - * @param[in] cx,cy The size of the box (outside dimensions) - * - * @api - */ -void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawBox(gh->x+x, gh->y+y, cx, cy, gh->color); -} - -/** - * @brief Fill an rectangular area in the window - * @note Uses the current foreground color to fill the box - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The start position - * @param[in] cx,cy The size of the box (outside dimensions) - * - * @api - */ -void gwinFillArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillArea(gh->x+x, gh->y+y, cx, cy, gh->color); -} - -/** - * @brief Fill an area in the window using the supplied bitmap. - * @details The bitmap is in the pixel format specified by the low level driver - * @note If GDISP_NEED_ASYNC is defined then the buffer must be static - * or at least retained until this call has finished the blit. You can - * tell when all graphics drawing is finished by @p gdispIsBusy() going FALSE. - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x, y The start filled area - * @param[in] cx, cy The width and height to be filled - * @param[in] srcx, srcy The bitmap position to start the fill from - * @param[in] srccx The width of a line in the bitmap. - * @param[in] buffer The pixels to use to fill the area. - * - * @api - */ -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) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispBlitAreaEx(gh->x+x, gh->y+y, cx, cy, srcx, srcy, srccx, buffer); -} - -#if GDISP_NEED_CIRCLE || defined(__DOXYGEN__) -/** - * @brief Draw a circle in the window. - * @note Uses the current foreground color to draw the circle - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x, y The center of the circle - * @param[in] radius The radius of the circle - * - * @api - */ -void gwinDrawCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawCircle(gh->x+x, gh->y+y, radius, gh->color); -} -#endif - -#if GDISP_NEED_CIRCLE || defined(__DOXYGEN__) -/** - * @brief Draw a filled circle in the window. - * @note Uses the current foreground color to draw the filled circle - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x, y The center of the circle - * @param[in] radius The radius of the circle - * - * @api - */ -void gwinFillCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillCircle(gh->x+x, gh->y+y, radius, gh->color); -} -#endif - -#if GDISP_NEED_ELLIPSE || defined(__DOXYGEN__) -/** - * @brief Draw an ellipse. - * @note Uses the current foreground color to draw the ellipse - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The center of the ellipse - * @param[in] a,b The dimensions of the ellipse - * - * @api - */ -void gwinDrawEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawEllipse(gh->x+x, gh->y+y, a, b, gh->color); -} -#endif - -#if GDISP_NEED_ELLIPSE || defined(__DOXYGEN__) -/** - * @brief Draw an filled ellipse. - * @note Uses the current foreground color to draw the filled ellipse - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The center of the ellipse - * @param[in] a,b The dimensions of the ellipse - * - * @api - */ -void gwinFillEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillEllipse(gh->x+x, gh->y+y, a, b, gh->color); -} -#endif - -#if GDISP_NEED_ARC || defined(__DOXYGEN__) -/* - * @brief Draw an arc in the window. - * @note Uses the current foreground color to draw the arc - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The center point - * @param[in] radius The radius of the arc - * @param[in] start The start angle (0 to 360) - * @param[in] end The end angle (0 to 360) - * - * @api - */ -void gwinDrawArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color); -} -#endif - -#if GDISP_NEED_ARC || defined(__DOXYGEN__) -/* - * @brief Draw a filled arc in the window. - * @note Uses the current foreground color to draw the filled arc - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The center point - * @param[in] radius The radius of the arc - * @param[in] start The start angle (0 to 360) - * @param[in] end The end angle (0 to 360) - * - * @api - */ -void gwinFillArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color); -} -#endif - -#if GDISP_NEED_PIXELREAD || defined(__DOXYGEN__) -/** - * @brief Get the color of a pixel in the window. - * @return The color of the pixel. - * @note May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The position in the window - * - * @api - */ -color_t gwinGetPixelColor(GHandle gh, coord_t x, coord_t y) { - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - return gdispGetPixelColor(gh->x+x, gh->y+y); -} -#endif - -#if GDISP_NEED_TEXT || defined(__DOXYGEN__) -/** - * @brief Draw a text character at the specified position in the window. - * @pre The font must have been set. - * @note Uses the current foreground color to draw the character - * @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 - * @param[in] c The character to draw - * - * @api - */ -void gwinDrawChar(GHandle gh, coord_t x, coord_t y, char c) { - if (!gh->font) return; - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawChar(gh->x+x, gh->y+y, c, gh->font, gh->color); -} -#endif - -#if GDISP_NEED_TEXT || defined(__DOXYGEN__) -/** - * @brief Draw a text character with a filled background at the specified position in the window. - * @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 May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The position for the text - * @param[in] c The character to draw - * - * @api - */ -void gwinFillChar(GHandle gh, coord_t x, coord_t y, char c) { - if (!gh->font) return; - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispFillChar(gh->x+x, gh->y+y, c, gh->font, gh->color, gh->bgcolor); -} -#endif - -#if GDISP_NEED_TEXT || defined(__DOXYGEN__) -/** - * @brief Draw a text string in the window - * @pre The font must have been set. - * @note Uses the current foreground color to draw the character - * @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 - * @param[in] str The string to draw - * - * @api - */ -void gwinDrawString(GHandle gh, coord_t x, coord_t y, const char *str) { - if (!gh->font) return; - #if GDISP_NEED_CLIP - gdispSetClip(gh->x, gh->y, gh->width, gh->height); - #endif - gdispDrawString(gh->x+x, gh->y+y, str, gh->font, gh->color); -} -#endif - -#if GDISP_NEED_TEXT || defined(__DOXYGEN__) -/** - * @brief Draw a text string with a filled background in the window - * @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 May leave GDISP clipping to this window's dimensions - * - * @param[in] gh The window handle - * @param[in] x,y The position for the text - * @param[in] str The string to draw - * - * @api - */ -void gwinFillString(GHandle gh, coord_t x, coord_t y, const char *str) { - if (!gh->font) return; - #if GDISP_NEED_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 || defined(__DOXYGEN__) -/** - * @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] cx,cy The width and height of the box - * @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_NEED_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 || defined(__DOXYGEN__) -/** - * @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] cx,cy The width and height of the box - * @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_NEED_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 - -#endif /* GFX_USE_GWIN */ -/** @} */ - +/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX 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. + + ChibiOS/GFX 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. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ +/** + * @file src/gwin/gwin.c + * @brief GWIN sub-system code. + * + * @defgroup Window Window + * @ingroup GWIN + * + * @{ + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if GFX_USE_GWIN || defined(__DOXYGEN__) + +#include "gwin/internal.h" + +// Internal routine for use by GWIN components only +// Initialise a window creating it dynamicly if required. +GHandle _gwinInit(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height, size_t size) { + coord_t w, h; + + // Check the window size against the screen size + w = gdispGetWidth(); + h = gdispGetHeight(); + if (x < 0) { width += x; x = 0; } + if (y < 0) { height += y; y = 0; } + if (x >= w || y >= h) return 0; + if (x+width > w) width = w - x; + if (y+height > h) height = h - y; + + // Allocate the structure if necessary + if (!gw) { + if (!(gw = (GWindowObject *)chHeapAlloc(NULL, size))) + return 0; + gw->flags = GWIN_FLG_DYNAMIC; + } else + gw->flags = 0; + + // Initialise all basic fields (except the type) + gw->x = x; + gw->y = y; + gw->width = width; + gw->height = height; + gw->color = White; + gw->bgcolor = Black; +#if GDISP_NEED_TEXT + gw->font = 0; +#endif + return (GHandle)gw; +} + +/** + * @brief Create a basic window. + * @return NULL if there is no resultant drawing area, otherwise a window handle. + * + * @param[in] gw The window 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 + * @note The default drawing color gets set to White and the background drawing color to Black. + * @note No default font is set so make sure to set one before drawing any text. + * @note The dimensions and position may be changed to fit on the real screen. + * @note The window is not automatically cleared on creation. You must do that by calling gwinClear() (possibly after changing your background color) + * + * @api + */ +GHandle gwinCreateWindow(GWindowObject *gw, coord_t x, coord_t y, coord_t width, coord_t height) { + if (!(gw = (GWindowObject *)_gwinInit((GWindowObject *)gw, x, y, width, height, sizeof(GWindowObject)))) + return 0; + gw->type = GW_WINDOW; + return (GHandle)gw; +} + +/** + * @brief Destroy a window (of any type). Releases any dynamicly allocated memory. + * + * @param[in] gh The window handle + * + * @api + */ +void gwinDestroyWindow(GHandle gh) { + // Clean up any type specific dynamic memory allocations + switch(gh->type) { +#if GWIN_NEED_BUTTON + case GW_BUTTON: + if ((gh->flags & GBTN_FLG_ALLOCTXT)) { + gh->flags &= ~GBTN_FLG_ALLOCTXT; // To be sure, to be sure + chHeapFree((void *)((GButtonObject *)gh)->txt); + } + geventDetachSource(&((GButtonObject *)gh)->listener, 0); + geventDetachSourceListeners((GSourceHandle *)gh); + break; +#endif + default: + break; + } + + // Clean up the structure + if (gh->flags & GWIN_FLG_DYNAMIC) { + gh->flags = 0; // To be sure, to be sure + chHeapFree((void *)gh); + } +} + +#if GDISP_NEED_TEXT || defined(__DOXYGEN__) +/** + * @brief Set the current font for this window. + * + * @param[in] gh The window handle + * @param[in] font The font to use for text functions + * + * @api + */ +void gwinSetFont(GHandle gh, font_t font) { + gh->font = font; +#if GWIN_NEED_CONSOLE + if (font && gh->type == GW_CONSOLE) { + ((GConsoleObject *)gh)->fy = gdispGetFontMetric(font, fontHeight); + ((GConsoleObject *)gh)->fp = gdispGetFontMetric(font, fontCharPadding); + } +#endif +} +#endif + +/** + * @brief Clear the window + * @note Uses the current background color to clear the window + * + * @param[in] gh The window handle + * + * @api + */ +void gwinClear(GHandle gh) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor); + + #if GWIN_NEED_CONSOLE + if (gh->type == GW_CONSOLE) { + ((GConsoleObject *)gh)->cx = 0; + ((GConsoleObject *)gh)->cy = 0; + } + #endif +} + +/** + * @brief Set a pixel in the window + * @note Uses the current foreground color to set the pixel + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The coordinates of the pixel + * + * @api + */ +void gwinDrawPixel(GHandle gh, coord_t x, coord_t y) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawPixel(gh->x+x, gh->y+y, gh->color); +} + +/** + * @brief Draw a line in the window + * @note Uses the current foreground color to draw the line + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x0,y0 The start position + * @param[in] x1,y1 The end position + * + * @api + */ +void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawLine(gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color); +} + +/** + * @brief Draw a box in the window + * @note Uses the current foreground color to draw the box + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The start position + * @param[in] cx,cy The size of the box (outside dimensions) + * + * @api + */ +void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawBox(gh->x+x, gh->y+y, cx, cy, gh->color); +} + +/** + * @brief Fill an rectangular area in the window + * @note Uses the current foreground color to fill the box + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The start position + * @param[in] cx,cy The size of the box (outside dimensions) + * + * @api + */ +void gwinFillArea(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillArea(gh->x+x, gh->y+y, cx, cy, gh->color); +} + +/** + * @brief Fill an area in the window using the supplied bitmap. + * @details The bitmap is in the pixel format specified by the low level driver + * @note If GDISP_NEED_ASYNC is defined then the buffer must be static + * or at least retained until this call has finished the blit. You can + * tell when all graphics drawing is finished by @p gdispIsBusy() going FALSE. + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x, y The start filled area + * @param[in] cx, cy The width and height to be filled + * @param[in] srcx, srcy The bitmap position to start the fill from + * @param[in] srccx The width of a line in the bitmap. + * @param[in] buffer The pixels to use to fill the area. + * + * @api + */ +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) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispBlitAreaEx(gh->x+x, gh->y+y, cx, cy, srcx, srcy, srccx, buffer); +} + +#if GDISP_NEED_CIRCLE || defined(__DOXYGEN__) +/** + * @brief Draw a circle in the window. + * @note Uses the current foreground color to draw the circle + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x, y The center of the circle + * @param[in] radius The radius of the circle + * + * @api + */ +void gwinDrawCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawCircle(gh->x+x, gh->y+y, radius, gh->color); +} +#endif + +#if GDISP_NEED_CIRCLE || defined(__DOXYGEN__) +/** + * @brief Draw a filled circle in the window. + * @note Uses the current foreground color to draw the filled circle + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x, y The center of the circle + * @param[in] radius The radius of the circle + * + * @api + */ +void gwinFillCircle(GHandle gh, coord_t x, coord_t y, coord_t radius) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillCircle(gh->x+x, gh->y+y, radius, gh->color); +} +#endif + +#if GDISP_NEED_ELLIPSE || defined(__DOXYGEN__) +/** + * @brief Draw an ellipse. + * @note Uses the current foreground color to draw the ellipse + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The center of the ellipse + * @param[in] a,b The dimensions of the ellipse + * + * @api + */ +void gwinDrawEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawEllipse(gh->x+x, gh->y+y, a, b, gh->color); +} +#endif + +#if GDISP_NEED_ELLIPSE || defined(__DOXYGEN__) +/** + * @brief Draw an filled ellipse. + * @note Uses the current foreground color to draw the filled ellipse + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The center of the ellipse + * @param[in] a,b The dimensions of the ellipse + * + * @api + */ +void gwinFillEllipse(GHandle gh, coord_t x, coord_t y, coord_t a, coord_t b) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillEllipse(gh->x+x, gh->y+y, a, b, gh->color); +} +#endif + +#if GDISP_NEED_ARC || defined(__DOXYGEN__) +/* + * @brief Draw an arc in the window. + * @note Uses the current foreground color to draw the arc + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The center point + * @param[in] radius The radius of the arc + * @param[in] start The start angle (0 to 360) + * @param[in] end The end angle (0 to 360) + * + * @api + */ +void gwinDrawArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color); +} +#endif + +#if GDISP_NEED_ARC || defined(__DOXYGEN__) +/* + * @brief Draw a filled arc in the window. + * @note Uses the current foreground color to draw the filled arc + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The center point + * @param[in] radius The radius of the arc + * @param[in] start The start angle (0 to 360) + * @param[in] end The end angle (0 to 360) + * + * @api + */ +void gwinFillArc(GHandle gh, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillArc(gh->x+x, gh->y+y, radius, startangle, endangle, gh->color); +} +#endif + +#if GDISP_NEED_PIXELREAD || defined(__DOXYGEN__) +/** + * @brief Get the color of a pixel in the window. + * @return The color of the pixel. + * @note May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The position in the window + * + * @api + */ +color_t gwinGetPixelColor(GHandle gh, coord_t x, coord_t y) { + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + return gdispGetPixelColor(gh->x+x, gh->y+y); +} +#endif + +#if GDISP_NEED_TEXT || defined(__DOXYGEN__) +/** + * @brief Draw a text character at the specified position in the window. + * @pre The font must have been set. + * @note Uses the current foreground color to draw the character + * @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 + * @param[in] c The character to draw + * + * @api + */ +void gwinDrawChar(GHandle gh, coord_t x, coord_t y, char c) { + if (!gh->font) return; + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawChar(gh->x+x, gh->y+y, c, gh->font, gh->color); +} +#endif + +#if GDISP_NEED_TEXT || defined(__DOXYGEN__) +/** + * @brief Draw a text character with a filled background at the specified position in the window. + * @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 May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The position for the text + * @param[in] c The character to draw + * + * @api + */ +void gwinFillChar(GHandle gh, coord_t x, coord_t y, char c) { + if (!gh->font) return; + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispFillChar(gh->x+x, gh->y+y, c, gh->font, gh->color, gh->bgcolor); +} +#endif + +#if GDISP_NEED_TEXT || defined(__DOXYGEN__) +/** + * @brief Draw a text string in the window + * @pre The font must have been set. + * @note Uses the current foreground color to draw the character + * @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 + * @param[in] str The string to draw + * + * @api + */ +void gwinDrawString(GHandle gh, coord_t x, coord_t y, const char *str) { + if (!gh->font) return; + #if GDISP_NEED_CLIP + gdispSetClip(gh->x, gh->y, gh->width, gh->height); + #endif + gdispDrawString(gh->x+x, gh->y+y, str, gh->font, gh->color); +} +#endif + +#if GDISP_NEED_TEXT || defined(__DOXYGEN__) +/** + * @brief Draw a text string with a filled background in the window + * @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 May leave GDISP clipping to this window's dimensions + * + * @param[in] gh The window handle + * @param[in] x,y The position for the text + * @param[in] str The string to draw + * + * @api + */ +void gwinFillString(GHandle gh, coord_t x, coord_t y, const char *str) { + if (!gh->font) return; + #if GDISP_NEED_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 || defined(__DOXYGEN__) +/** + * @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] cx,cy The width and height of the box + * @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_NEED_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 || defined(__DOXYGEN__) +/** + * @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] cx,cy The width and height of the box + * @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_NEED_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 + +#endif /* GFX_USE_GWIN */ +/** @} */ +