diff options
Diffstat (limited to 'src/gwin/gwin_frame.c')
| -rw-r--r-- | src/gwin/gwin_frame.c | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/src/gwin/gwin_frame.c b/src/gwin/gwin_frame.c new file mode 100644 index 00000000..63df3be2 --- /dev/null +++ b/src/gwin/gwin_frame.c @@ -0,0 +1,322 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +/** + * @file src/gwin/gwin_frame.c + * @brief GWIN sub-system frame code. + */ + +#include "gfx.h" + +#if GFX_USE_GWIN && GWIN_NEED_FRAME + +#include "gwin_class.h" + +/* Some position values */ +#define BUTTON_X 18 // Button Width +#define BUTTON_Y 18 // Button Height +#define BUTTON_I 3 // Button inner margin +#define BUTTON_T 2 // Gap from top of window to button +#define BUTTON_B 2 // Gap from button to the bottom of the frame title area +#define BORDER_L 2 // Left Border +#define BORDER_R 2 // Right Border +#define BORDER_T (BUTTON_Y+BUTTON_T+BUTTON_B) // Top Border (Title area) +#define BORDER_B 2 // Bottom Border + +/* Internal state flags */ +#define GWIN_FRAME_USER_FLAGS (GWIN_FRAME_CLOSE_BTN|GWIN_FRAME_MINMAX_BTN) +#define GWIN_FRAME_CLOSE_PRESSED (GWIN_FRAME_MINMAX_BTN << 1) +#define GWIN_FRAME_MIN_PRESSED (GWIN_FRAME_MINMAX_BTN << 2) +#define GWIN_FRAME_MAX_PRESSED (GWIN_FRAME_MINMAX_BTN << 3) +#define GWIN_FRAME_REDRAW_FRAME (GWIN_FRAME_MINMAX_BTN << 4) // Only redraw the frame +#if GWIN_FRAME_CLOSE_BTN < GWIN_FIRST_CONTROL_FLAG + #error "GWIN Frame: - Flag definitions don't match" +#endif +#if GWIN_FRAME_REDRAW_FRAME > GWIN_LAST_CONTROL_FLAG + #error "GWIN Frame: - Flag definitions don't match" +#endif + +static coord_t BorderSizeL(GHandle gh) { (void)gh; return BORDER_L; } +static coord_t BorderSizeR(GHandle gh) { (void)gh; return BORDER_R; } +static coord_t BorderSizeT(GHandle gh) { (void)gh; return BORDER_T; } +static coord_t BorderSizeB(GHandle gh) { (void)gh; return BORDER_B; } + +static void forceFrameRedraw(GWidgetObject *gw) { + // Force a redraw of just the frame. + // This is a big naughty but who really cares. + gw->g.flags |= GWIN_FRAME_REDRAW_FRAME; + gw->fnDraw(gw, gw->fnParam); + gw->g.flags &= ~GWIN_FRAME_REDRAW_FRAME; +} + +#if GINPUT_NEED_MOUSE + static void mouseDown(GWidgetObject *gw, coord_t x, coord_t y) { + coord_t pos; + + // We must be clicking on the frame button area to be of interest + if (y < BUTTON_T && y >= BUTTON_T+BUTTON_Y) + return; + + pos = gw->g.width - (BORDER_R+BUTTON_X); + if ((gw->g.flags & GWIN_FRAME_CLOSE_BTN)) { + if (x >= pos && x < pos+BUTTON_X) { + // Close is pressed - force redraw the frame only + gw->g.flags |= GWIN_FRAME_CLOSE_PRESSED; + forceFrameRedraw(gw); + return; + } + pos -= BUTTON_X; + } + if ((gw->g.flags & GWIN_FRAME_MINMAX_BTN)) { + if (x >= pos && x < pos+BUTTON_X) { + // Close is pressed - force redraw the frame only + gw->g.flags |= GWIN_FRAME_MAX_PRESSED; + forceFrameRedraw(gw); + return; + } + pos -= BUTTON_X; + if (x >= pos && x < pos+BUTTON_X) { + // Close is pressed - force redraw the frame only + gw->g.flags |= GWIN_FRAME_MIN_PRESSED; + forceFrameRedraw(gw); + return; + } + pos -= BUTTON_X; + } + } + + static void mouseUp(GWidgetObject *gw, coord_t x, coord_t y) { + #if GWIN_BUTTON_LAZY_RELEASE + if ((gw->g.flags & GWIN_FRAME_CLOSE_PRESSED)) { + // Close is released - destroy the window + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + _gwinSendEvent(&gw->g, GEVENT_GWIN_CLOSE); + gwinDestroy(&gw->g); + return; + } + if ((gw->g.flags & GWIN_FRAME_MAX_PRESSED)) { + // Max is released - maximize the window + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + gwinSetMinMax(&gw->g, GWIN_MAXIMIZE); + return; + } + if ((gw->g.flags & GWIN_FRAME_MIN_PRESSED)) { + // Min is released - minimize the window + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + gwinSetMinMax(&gw->g, GWIN_MINIMIZE); + return; + } + #else + // If nothing is pressed we have nothing to do. + if (!(gw->g.flags & (GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED))) + return; + + // We must be releasing over the button + if (y >= BUTTON_T && y < BUTTON_T+BUTTON_Y) { + coord_t pos; + + pos = gw->g.width - (BORDER_R+BUTTON_X); + if ((gw->g.flags & GWIN_FRAME_CLOSE_BTN)) { + if ((gw->g.flags & GWIN_FRAME_CLOSE_PRESSED) && x >= pos && x <= pos+BUTTON_X) { + // Close is released - destroy the window. This is tricky as we already have the drawing lock. + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + _gwinDestroy(&gw->g, REDRAW_INSESSION); + return; + } + pos -= BUTTON_X; + } + if ((gw->g.flags & GWIN_FRAME_MINMAX_BTN)) { + if ((gw->g.flags & GWIN_FRAME_MAX_PRESSED) && x >= pos && x <= pos+BUTTON_X) { + // Max is released - maximize the window + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + gwinSetMinMax(&gw->g, GWIN_MAXIMIZE); + return; + } + pos -= BUTTON_X; + if ((gw->g.flags & GWIN_FRAME_MIN_PRESSED) && x >= pos && x <= pos+BUTTON_X) { + // Min is released - minimize the window + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + gwinSetMinMax(&gw->g, GWIN_MINIMIZE); + return; + } + pos -= BUTTON_X; + } + } + + // Clear any flags and redraw the frame + gw->g.flags &= ~(GWIN_FRAME_CLOSE_PRESSED|GWIN_FRAME_MAX_PRESSED|GWIN_FRAME_MIN_PRESSED); + forceFrameRedraw(gw); + #endif + } +#endif + +static const gcontainerVMT frameVMT = { + { + { + "Frame", // The classname + sizeof(GFrameObject), // The object size + _gcontainerDestroy, // The destroy routine + _gcontainerRedraw, // The redraw routine + 0, // The after-clear routine + }, + gwinFrameDraw_Std, // The default drawing routine + #if GINPUT_NEED_MOUSE + { + mouseDown, // Process mouse down event + mouseUp, // Process mouse up events + 0, // Process mouse move events + }, + #endif + #if GINPUT_NEED_TOGGLE + { + 0, // 1 toggle role + 0, // Assign Toggles + 0, // Get Toggles + 0, // Process toggle off events + 0, // Process toggle on events + }, + #endif + #if GINPUT_NEED_DIAL + { + 0, // 1 dial roles + 0, // Assign Dials + 0, // Get Dials + 0, // Process dial move events + }, + #endif + }, + BorderSizeL, // The size of the left border (mandatory) + BorderSizeT, // The size of the top border (mandatory) + BorderSizeR, // The size of the right border (mandatory) + BorderSizeB, // The size of the bottom border (mandatory) + 0, // A child has been added (optional) + 0, // A child has been deleted (optional) +}; + +GHandle gwinGFrameCreate(GDisplay *g, GFrameObject *fo, GWidgetInit *pInit, uint32_t flags) { + if (!(fo = (GFrameObject *)_gcontainerCreate(g, (GContainerObject *)fo, pInit, &frameVMT))) + return 0; + + // Make sure we only have "safe" flags. + flags &= GWIN_FRAME_USER_FLAGS; + + /* Apply flags. We apply these here so the controls above are outside the child area */ + fo->g.flags |= flags; + + gwinSetVisible(&fo->g, pInit->g.show); + + return &fo->g; +} + +/////////////////////////////////////////////////////////////////////////////////////////////////// +// Default render routines // +/////////////////////////////////////////////////////////////////////////////////////////////////// + +void gwinFrameDraw_Transparent(GWidgetObject *gw, void *param) { + const GColorSet *pcol; + coord_t pos; + color_t contrast; + color_t btn; + (void)param; + + if (gw->g.vmt != (gwinVMT *)&frameVMT) + return; + + pcol = (gw->g.flags & GWIN_FLG_SYSENABLED) ? &gw->pstyle->enabled : &gw->pstyle->disabled; + contrast = gdispContrastColor(pcol->edge); + btn = gdispBlendColor(pcol->edge, contrast, 128); + + // Render the frame + gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, BORDER_T, gw->text, gw->g.font, contrast, pcol->edge, justifyCenter); + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y+BORDER_T, BORDER_L, gw->g.height-(BORDER_T+BORDER_B), pcol->edge); + gdispGFillArea(gw->g.display, gw->g.x+gw->g.width-BORDER_R, gw->g.y+BORDER_T, BORDER_R, gw->g.height-(BORDER_T+BORDER_B), pcol->edge); + gdispGFillArea(gw->g.display, gw->g.x, gw->g.y+gw->g.height-BORDER_B, gw->g.width, BORDER_B, pcol->edge); + + // Add the buttons + pos = gw->g.x+gw->g.width - (BORDER_R+BUTTON_X); + + if ((gw->g.flags & GWIN_FRAME_CLOSE_BTN)) { + if ((gw->g.flags & GWIN_FRAME_CLOSE_PRESSED)) + gdispFillArea(pos, gw->g.y+BUTTON_T, BUTTON_X, BUTTON_Y, btn); + gdispDrawLine(pos+BUTTON_I, gw->g.y+(BUTTON_T+BUTTON_I), pos+(BUTTON_X-BUTTON_I-1), gw->g.y+(BUTTON_T+BUTTON_Y-BUTTON_I-1), contrast); + gdispDrawLine(pos+(BUTTON_X-BUTTON_I-1), gw->g.y+(BUTTON_T+BUTTON_I), pos+BUTTON_I, gw->g.y+(BUTTON_T+BUTTON_Y-BUTTON_I-1), contrast); + pos -= BUTTON_X; + } + + if ((gw->g.flags & GWIN_FRAME_MINMAX_BTN)) { + if ((gw->g.flags & GWIN_FRAME_MAX_PRESSED)) + gdispFillArea(pos, gw->g.y+BUTTON_T, BUTTON_X, BUTTON_Y, btn); + // the symbol + gdispDrawBox(pos+BUTTON_I, gw->g.y+(BUTTON_T+BUTTON_I), BUTTON_X-2*BUTTON_I, BUTTON_Y-2*BUTTON_I, contrast); + gdispDrawLine(pos+(BUTTON_I+1), gw->g.y+(BUTTON_T+BUTTON_I+1), pos+(BUTTON_X-BUTTON_I-2), gw->g.y+(BUTTON_T+BUTTON_I+1), contrast); + gdispDrawLine(pos+(BUTTON_I+1), gw->g.y+(BUTTON_T+BUTTON_I+2), pos+(BUTTON_X-BUTTON_I-2), gw->g.y+(BUTTON_T+BUTTON_I+2), contrast); + pos -= BUTTON_X; + if ((gw->g.flags & GWIN_FRAME_MIN_PRESSED)) + gdispFillArea(pos, gw->g.y+BUTTON_T, BUTTON_X, BUTTON_Y, btn); + gdispDrawLine(pos+BUTTON_I, gw->g.y+(BUTTON_T+BUTTON_Y-BUTTON_I-1), pos+(BUTTON_X-BUTTON_I-1), gw->g.y+(BUTTON_T+BUTTON_Y-BUTTON_I-1), contrast); + pos -= BUTTON_X; + } + + // Don't touch the client area +} + +void gwinFrameDraw_Std(GWidgetObject *gw, void *param) { + (void)param; + + if (gw->g.vmt != (gwinVMT *)&frameVMT) + return; + + // Draw the frame + gwinFrameDraw_Transparent(gw, param); + + // Drop out if that is all we want to draw + if ((gw->g.flags & GWIN_FRAME_REDRAW_FRAME)) + return; + + // Draw the client area + gdispGFillArea(gw->g.display, gw->g.x + BORDER_L, gw->g.y + BORDER_T, gw->g.width - (BORDER_L+BORDER_R), gw->g.height - (BORDER_T+BORDER_B), gw->pstyle->background); +} + +#if GDISP_NEED_IMAGE + void gwinFrameDraw_Image(GWidgetObject *gw, void *param) { + #define gi ((gdispImage *)param) + coord_t x, y, iw, ih, mx, my; + + if (gw->g.vmt != (gwinVMT *)&frameVMT) + return; + + // Draw the frame + gwinFrameDraw_Transparent(gw, param); + + // Drop out if that is all we want to draw + if ((gw->g.flags & GWIN_FRAME_REDRAW_FRAME)) + return; + + // Draw the client area by tiling the image + mx = gw->g.x+gw->g.width - BORDER_R; + my = gw->g.y+gw->g.height - BORDER_B; + for(y = gw->g.y+BORDER_T, ih = gi->height; y < my; y += ih) { + if (ih > my - y) + ih = my - y; + for(x = gw->g.x+BORDER_L; iw = gi->width; x < mx; x += iw) { + if (iw > mx - x) + iw = mx - x; + gdispGImageDraw(gw->g.display, gi, x, y, ih, iw, 0, 0); + } + } + + #undef gi + } +#endif + +#endif /* (GFX_USE_GWIN && GWIN_NEED_FRAME) || defined(__DOXYGEN__) */ |