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-rw-r--r--src/gwin/gwidget.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/src/gwin/gwidget.c b/src/gwin/gwidget.c
new file mode 100644
index 00000000..9d634c58
--- /dev/null
+++ b/src/gwin/gwidget.c
@@ -0,0 +1,376 @@
+/*
+ * 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://chibios-gfx.com/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GWIN && GWIN_NEED_WIDGET
+
+#include <string.h>
+
+#include "gwin/class_gwin.h"
+
+/* Our listener for events for widgets */
+static GListener gl;
+
+/* We use these everywhere in this file */
+#define gw ((GWidgetObject *)gh)
+#define wvmt ((gwidgetVMT *)gh->vmt)
+
+/* Process an event */
+static void gwidgetEvent(void *param, GEvent *pe) {
+ #define gh QItem2GWindow(qi)
+ #define pme ((GEventMouse *)pe)
+ #define pte ((GEventToggle *)pe)
+ #define pde ((GEventDial *)pe)
+
+ const gfxQueueASyncItem * qi;
+ #if GFX_USE_GINPUT && (GINPUT_NEED_TOGGLE || GINPUT_NEED_DIAL)
+ uint16_t role;
+ #endif
+ (void) param;
+
+ // Process various events
+ switch (pe->type) {
+
+ #if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
+ case GEVENT_MOUSE:
+ case GEVENT_TOUCH:
+ // Cycle through all windows
+ for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
+
+ // check if it a widget that is enabled and visible
+ if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE)) != (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE))
+ continue;
+
+ // Are we captured?
+ if ((gw->g.flags & GWIN_FLG_MOUSECAPTURE)) {
+ if ((pme->last_buttons & ~pme->current_buttons & GINPUT_MOUSE_BTN_LEFT)) {
+ gw->g.flags &= ~GWIN_FLG_MOUSECAPTURE;
+ if (wvmt->MouseUp)
+ wvmt->MouseUp(gw, pme->x - gw->g.x, pme->y - gw->g.y);
+ } else if (wvmt->MouseMove)
+ wvmt->MouseMove(gw, pme->x - gw->g.x, pme->y - gw->g.y);
+
+ // We are not captured - look for mouse downs over the widget
+ } else if ((~pme->last_buttons & pme->current_buttons & GINPUT_MOUSE_BTN_LEFT)
+ && pme->x >= gw->g.x && pme->x < gw->g.x + gw->g.width
+ && pme->y >= gw->g.y && pme->y < gw->g.y + gw->g.height) {
+ gw->g.flags |= GWIN_FLG_MOUSECAPTURE;
+ if (wvmt->MouseDown)
+ wvmt->MouseDown(gw, pme->x - gw->g.x, pme->y - gw->g.y);
+ }
+ }
+ break;
+ #endif
+
+ #if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE
+ case GEVENT_TOGGLE:
+ // Cycle through all windows
+ for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
+
+ // check if it a widget that is enabled and visible
+ if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE)) != (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE))
+ continue;
+
+ for(role = 0; role < wvmt->toggleroles; role++) {
+ if (wvmt->ToggleGet(gw, role) == pte->instance) {
+ if (pte->on) {
+ if (wvmt->ToggleOn)
+ wvmt->ToggleOn(gw, role);
+ } else {
+ if (wvmt->ToggleOff)
+ wvmt->ToggleOff(gw, role);
+ }
+ }
+ }
+ }
+ break;
+ #endif
+
+ #if GFX_USE_GINPUT && GINPUT_NEED_DIAL
+ case GEVENT_DIAL:
+ // Cycle through all windows
+ for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
+
+ // check if it a widget that is enabled and visible
+ if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE)) != (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_VISIBLE))
+ continue;
+
+ for(role = 0; role < wvmt->dialroles; role++) {
+ if (wvmt->DialGet(gw, role) == pte->instance) {
+ if (wvmt->DialMove)
+ wvmt->DialMove(gw, role, pde->value, pde->maxvalue);
+ }
+ }
+ }
+ break;
+ #endif
+
+ default:
+ break;
+ }
+
+ #undef gh
+ #undef pme
+ #undef pte
+ #undef pde
+}
+
+#if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE
+ static GHandle FindToggleUser(uint16_t instance) {
+ #define gh QItem2GWindow(qi)
+ const gfxQueueASyncItem * qi;
+ uint16_t role;
+
+ for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
+ if (!(gh->flags & GWIN_FLG_WIDGET)) // check if it a widget
+ continue;
+
+ for(role = 0; role < wvmt->toggleroles; role++) {
+ if (wvmt->ToggleGet(gw, role) == instance)
+ return gh;
+ }
+ }
+ return 0;
+ #undef gh
+ }
+#endif
+
+#if GFX_USE_GINPUT && GINPUT_NEED_DIAL
+ static GHandle FindDialUser(uint16_t instance) {
+ #define gh QItem2GWindow(qi)
+ const gfxQueueASyncItem * qi;
+ uint16_t role;
+
+ for(qi = gfxQueueASyncPeek(&_GWINList); qi; qi = gfxQueueASyncNext(qi)) {
+ if (!(gh->flags & GWIN_FLG_WIDGET)) // check if it a widget
+ continue;
+
+ for(role = 0; role < wvmt->dialroles; role++) {
+ if (wvmt->DialGet(gw, role) == instance)
+ return gh;
+ }
+ }
+ return 0;
+ #undef gh
+ }
+#endif
+
+void _gwidgetInit(void) {
+ geventListenerInit(&gl);
+ geventRegisterCallback(&gl, gwidgetEvent, 0);
+}
+
+GHandle _gwidgetCreate(GWidgetObject *pgw, coord_t x, coord_t y, coord_t width, coord_t height, size_t size, const gwidgetVMT *vmt) {
+ if (!(pgw = (GWidgetObject *)_gwindowCreate((GWindowObject *)pgw, x, y, width, height, size, (const gwinVMT *)vmt, GWIN_FLG_WIDGET|GWIN_FLG_ENABLED)))
+ return 0;
+
+ pgw->txt = "";
+ pgw->fnDraw = vmt->DefaultDraw;
+ pgw->fnParam = 0;
+
+ return (GHandle)pgw;
+}
+
+void _gwidgetDestroy(GHandle gh) {
+ #if GFX_USE_GINPUT && (GINPUT_NEED_TOGGLE || GINPUT_NEED_DIAL)
+ uint16_t role, instance;
+ #endif
+
+ // Deallocate the text (if necessary)
+ if ((gh->flags & GWIN_FLG_ALLOCTXT)) {
+ gh->flags &= ~GWIN_FLG_ALLOCTXT;
+ gfxFree((void *)gw->txt);
+ }
+
+ #if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE
+ // Detach any toggles from this object
+ for(role = 0; role < wvmt->toggleroles; role++) {
+ instance = wvmt->ToggleGet(gw, role);
+ if (instance != GWIDGET_NO_INSTANCE) {
+ wvmt->ToggleAssign(gw, role, GWIDGET_NO_INSTANCE);
+ if (!FindToggleUser(instance))
+ geventDetachSource(&gl, ginputGetToggle(instance));
+ }
+ }
+ #endif
+
+ #if GFX_USE_GINPUT && GINPUT_NEED_DIAL
+ // Detach any dials from this object
+ for(role = 0; role < wvmt->dialroles; role++) {
+ instance = wvmt->DialGet(gw, role);
+ if (instance != GWIDGET_NO_INSTANCE) {
+ wvmt->DialAssign(gw, role, GWIDGET_NO_INSTANCE);
+ if (!FindDialUser(instance))
+ geventDetachSource(&gl, ginputGetDial(instance));
+ }
+ }
+ #endif
+
+ // Remove any listeners on this object.
+ geventDetachSourceListeners((GSourceHandle)gh);
+}
+
+void _gwidgetRedraw(GHandle gh) {
+ if (!(gh->flags & GWIN_FLG_VISIBLE))
+ return;
+
+ #if GDISP_NEED_CLIP
+ gdispSetClip(gh->x, gh->y, gh->width, gh->height);
+ #endif
+
+ gw->fnDraw(gw, gw->fnParam);
+}
+
+void gwinSetEnabled(GHandle gh, bool_t enabled) {
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return;
+
+ if (enabled) {
+ if (!(gh->flags & GWIN_FLG_ENABLED)) {
+ gh->flags |= GWIN_FLG_ENABLED;
+ _gwidgetRedraw(gh);
+ }
+ } else {
+ if ((gh->flags & GWIN_FLG_ENABLED)) {
+ gh->flags &= ~GWIN_FLG_ENABLED;
+ _gwidgetRedraw(gh);
+ }
+ }
+}
+
+void gwinSetText(GHandle gh, const char *txt, bool_t useAlloc) {
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return;
+
+ // Dispose of the old string
+ if ((gh->flags & GWIN_FLG_ALLOCTXT)) {
+ gh->flags &= ~GWIN_FLG_ALLOCTXT;
+ if (gw->txt) {
+ gfxFree((void *)gw->txt);
+ gw->txt = "";
+ }
+ }
+
+ // Alloc the new text if required
+ if (txt && !*txt) txt = 0;
+ if (txt && useAlloc) {
+ char *str;
+
+ if ((str = (char *)gfxAlloc(strlen(txt)+1))) {
+ gh->flags |= GWIN_FLG_ALLOCTXT;
+ strcpy(str, txt);
+ }
+ txt = (const char *)str;
+ }
+
+ gw->txt = txt ? txt : "";
+ _gwidgetRedraw(gh);
+}
+
+const char *gwinGetText(GHandle gh) {
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return 0;
+
+ return gw->txt;
+}
+
+void gwinSetCustomDraw(GHandle gh, CustomWidgetDrawFunction fn, void *param) {
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return;
+
+ gw->fnDraw = fn ? fn : wvmt->DefaultDraw;
+ gw->fnParam = param;
+ _gwidgetRedraw(gh);
+}
+
+bool_t gwinAttachListener(GListener *pl) {
+ return geventAttachSource(pl, GWIDGET_SOURCE, 0);
+}
+
+#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
+ bool_t gwinAttachMouse(uint16_t instance) {
+ GSourceHandle gsh;
+
+ if (!(gsh = ginputGetMouse(instance)))
+ return FALSE;
+
+ return geventAttachSource(&gl, gsh, GLISTEN_MOUSEMETA|GLISTEN_MOUSEDOWNMOVES);
+ }
+#endif
+
+#if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE
+ bool_t gwinAttachToggle(GHandle gh, uint16_t role, uint16_t instance) {
+ GSourceHandle gsh;
+ uint16_t oi;
+
+ // Is this a widget
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return FALSE;
+
+ // Is the role valid
+ if (role >= wvmt->toggleroles)
+ return FALSE;
+
+ // Is this a valid device
+ if (!(gsh = ginputGetToggle(instance)))
+ return FALSE;
+
+ // Is this already done?
+ oi = wvmt->ToggleGet(gw, role);
+ if (instance == oi)
+ return TRUE;
+
+ // Remove the old instance
+ if (oi != GWIDGET_NO_INSTANCE) {
+ wvmt->ToggleAssign(gw, role, GWIDGET_NO_INSTANCE);
+ if (!FindToggleUser(oi))
+ geventDetachSource(&gl, ginputGetToggle(oi));
+ }
+
+ // Assign the new
+ wvmt->ToggleAssign(gw, role, instance);
+ return geventAttachSource(&gl, gsh, GLISTEN_TOGGLE_ON|GLISTEN_TOGGLE_OFF);
+ }
+#endif
+
+#if GFX_USE_GINPUT && GINPUT_NEED_DIAL
+ bool_t gwinAttachDial(GHandle gh, uint16_t role, uint16_t instance) {
+ GSourceHandle gsh;
+ uint16_t oi;
+
+ if (!(gh->flags & GWIN_FLG_WIDGET))
+ return FALSE;
+
+ // Is the role valid
+ if (role >= wvmt->dialroles)
+ return FALSE;
+
+ // Is this a valid device
+ if (!(gsh = ginputGetDial(instance)))
+ return FALSE;
+
+ // Is this already done?
+ oi = wvmt->DialGet(gw, role);
+ if (instance == oi)
+ return TRUE;
+
+ // Remove the old instance
+ if (oi != GWIDGET_NO_INSTANCE) {
+ wvmt->DialAssign(gw, role, GWIDGET_NO_INSTANCE);
+ if (!FindDialUser(oi))
+ geventDetachSource(&gl, ginputGetDial(oi));
+ }
+
+ // Assign the new
+ wvmt->DialAssign(gw, role, instance);
+ return geventAttachSource(&gl, gsh, 0);
+ }
+#endif
+
+#endif /* GFX_USE_GWIN && GWIN_NEED_WIDGET */
+/** @} */
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