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-rw-r--r--src/gwin/frame.c235
1 files changed, 235 insertions, 0 deletions
diff --git a/src/gwin/frame.c b/src/gwin/frame.c
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+/*
+ * 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/frame.c
+ * @brief GWIN sub-system frame code.
+ *
+ * @defgroup Frame Frame
+ * @ingroup GWIN
+ *
+ * @{
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GWIN && GWIN_NEED_FRAME
+
+/* Some values for the default render */
+#define BORDER_X 5
+#define BORDER_Y 30
+#define BUTTON_X 20
+#define BUTTON_Y 20
+
+/* Some useful macros for data type conversions */
+#define gh2obj ((GFrameObject *)gh)
+
+/* Forware declarations */
+void gwinFrameDraw_Std(GWidgetObject *gw, void *param);
+static void _callbackBtn(void *param, GEvent *pe);
+
+static void _frameDestroy(GHandle gh) {
+ /* Deregister the button callback */
+ geventRegisterCallback(&gh2obj->gl, NULL, NULL);
+ geventDetachSource(&gh2obj->gl, NULL);
+
+ /* call the gcontainer standard destroy routine */
+ _gcontainerDestroy(gh);
+}
+
+#if 0 && GINPUT_NEED_MOUSE
+ static void _mouseDown(GWidgetObject *gw, coord_t x, coord_t y) {
+
+ }
+
+ static void _mouseUp(GWidgetObject *gw, coord_t x, coord_t y) {
+
+ }
+
+ static void _mouseMove(GWidgetObject *gw, coord_t x, coord_t y) {
+
+ }
+#endif
+
+static const gcontainerVMT frameVMT = {
+ {
+ {
+ "Frame", // The classname
+ sizeof(GFrameObject), // The object size
+ _frameDestroy, // The destroy routie
+ _gcontainerRedraw, // The redraw routine
+ 0, // The after-clear routine
+ },
+ gwinFrameDraw_Std, // The default drawing routine
+ #if GINPUT_NEED_MOUSE
+ {
+ 0,//_mouseDown, // Process mouse down event
+ 0,//_mouseUp, // Process mouse up events
+ 0,//_mouseMove, // 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
+ },
+ 0, // Adjust the relative position of a child (optional)
+ 0, // Adjust the size of a child (optional)
+ 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, &fo->gc, pInit, &frameVMT)))
+ return 0;
+
+ fo->btnClose = 0;
+ fo->btnMin = 0;
+ fo->btnMax = 0;
+
+ /* Buttons require a border */
+ if ((flags & (GWIN_FRAME_CLOSE_BTN|GWIN_FRAME_MINMAX_BTN)))
+ flags |= GWIN_FRAME_BORDER;
+
+ /* apply flags */
+ fo->gc.g.flags |= flags;
+
+ /* create and initialize the listener if any button is present. */
+ if ((flags & (GWIN_FRAME_CLOSE_BTN|GWIN_FRAME_MINMAX_BTN))) {
+ geventListenerInit(&fo->gl);
+ gwinAttachListener(&fo->gl);
+ geventRegisterCallback(&fo->gl, _callbackBtn, (GHandle)fo);
+ }
+
+ /* create close button if necessary */
+ if ((flags & GWIN_FRAME_CLOSE_BTN)) {
+ GWidgetInit wi;
+
+ gwinWidgetClearInit(&wi);
+ wi.g.show = TRUE;
+ wi.g.parent = &fo->gc.g;
+
+ wi.g.x = fo->gc.g.width - BORDER_X - BUTTON_X;
+ wi.g.y = (BORDER_Y - BUTTON_Y) / 2;
+ wi.g.width = BUTTON_X;
+ wi.g.height = BUTTON_Y;
+ wi.text = "X";
+ fo->btnClose = gwinGButtonCreate(g, 0, &wi);
+ }
+
+ /* create minimize and maximize buttons if necessary */
+ if ((flags & GWIN_FRAME_MINMAX_BTN)) {
+ GWidgetInit wi;
+
+ gwinWidgetClearInit(&wi);
+ wi.g.show = TRUE;
+ wi.g.parent = &fo->gc.g;
+
+ wi.g.x = (flags & GWIN_FRAME_CLOSE_BTN) ? fo->gc.g.width - 2*BORDER_X - 2*BUTTON_X : fo->gc.g.width - BORDER_X - BUTTON_X;
+ wi.g.y = (BORDER_Y - BUTTON_Y) / 2;
+ wi.g.width = BUTTON_X;
+ wi.g.height = BUTTON_Y;
+ wi.text = "O";
+ fo->btnMin = gwinGButtonCreate(g, 0, &wi);
+
+ wi.g.x = (flags & GWIN_FRAME_CLOSE_BTN) ? fo->gc.g.width - 3*BORDER_X - 3*BUTTON_X : fo->gc.g.width - BORDER_X - BUTTON_X;
+ wi.g.y = (BORDER_Y - BUTTON_Y) / 2;
+ wi.g.width = BUTTON_X;
+ wi.g.height = BUTTON_Y;
+ wi.text = "_";
+ fo->btnMax = gwinGButtonCreate(g, 0, &wi);
+ }
+
+ gwinSetVisible(&fo->gc.g, pInit->g.show);
+
+ return &fo->gc.g;
+}
+
+/* Process a button event */
+static void _callbackBtn(void *param, GEvent *pe) {
+ switch (pe->type) {
+ case GEVENT_GWIN_BUTTON:
+ if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnClose)
+ gwinDestroy((GHandle)param);
+
+ else if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnMin) {
+ ;/* ToDo */
+
+ } else if (((GEventGWinButton *)pe)->button == ((GFrameObject*)(GHandle)param)->btnMax) {
+ ;/* ToDo */
+ }
+
+ break;
+
+ default:
+ break;
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Default render routines //
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+static const GColorSet* _getDrawColors(GWidgetObject *gw) {
+ if (!(gw->g.flags & GWIN_FLG_SYSENABLED))
+ return &gw->pstyle->disabled;
+ //if ((gw->g.flags & GBUTTON_FLG_PRESSED))
+ // return &gw->pstyle->pressed;
+
+ return &gw->pstyle->enabled;
+}
+
+void gwinFrameDraw_Std(GWidgetObject *gw, void *param) {
+ const GColorSet *pcol;
+ color_t border;
+ color_t background;
+ (void)param;
+
+ if (gw->g.vmt != (gwinVMT *)&frameVMT)
+ return;
+
+ pcol = _getDrawColors(gw);
+
+ // do some magic to make the background lighter than the widgets. Fix this somewhen.
+ border = HTML2COLOR(0x2698DE);
+ background = HTML2COLOR(0xEEEEEE);
+
+ // Render the actual frame (with border, if any)
+ if (gw->g.flags & GWIN_FRAME_BORDER) {
+ gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, border);
+ gdispGFillArea(gw->g.display, gw->g.x + BORDER_X, gw->g.y + BORDER_Y, gw->g.width - 2*BORDER_X, gw->g.height - BORDER_Y - BORDER_X, background);
+ } else {
+ // This ensure that the actual frame content (it's children) render at the same spot, no mather whether the frame has a border or not
+ gdispGFillArea(gw->g.display, gw->g.x + BORDER_X, gw->g.y + BORDER_Y, gw->g.width, gw->g.height, background);
+ }
+
+ // Render frame title - if any
+ if (gw->text != NULL) {
+ coord_t text_y;
+
+ text_y = ((BORDER_Y - gdispGetFontMetric(gw->g.font, fontHeight))/2);
+
+ gdispGDrawString(gw->g.display, gw->g.x + BORDER_X, gw->g.y + text_y, gw->text, gw->g.font, pcol->text);
+ }
+}
+
+#endif /* (GFX_USE_GWIN && GWIN_NEED_FRAME) || defined(__DOXYGEN__) */
+/** @} */
+
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