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Add GWIN List multi-select support

ugfx_release_2.6
inmarket 2013-08-01 15:58:46 +10:00
parent b0b3539639
commit 312e759124
4 changed files with 44 additions and 27 deletions
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2
demos/modules/gwin/list/main.c
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@ -20,7 +20,7 @@ static void createWidgets(void) {
wi.text = "List Name";
// Create the actual list
ghList1 = gwinListCreate(NULL, &wi);
ghList1 = gwinListCreate(NULL, &wi, FALSE);
}
int main(void) {

41
demos/modules/gwin/widgets/main.c
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@ -76,7 +76,7 @@ static GHandle ghCheckbox1, ghCheckbox2, ghCheckDisableAll;
static GHandle ghLabel1;
static GHandle ghRadio1, ghRadio2;
static GHandle ghRadioBlack, ghRadioWhite, ghRadioYellow;
static GHandle ghList1;
static GHandle ghList1, ghList2;
static GHandle ghImage1;
/* Some useful macros */
@ -163,21 +163,22 @@ static void createWidgets(void) {
// Lists
wi.g.show = FALSE; wi.customDraw = 0;
wi.g.width = LIST_WIDTH; wi.g.height = LIST_HEIGHT; wi.g.y = TAB_HEIGHT+5;
wi.g.x = 0+0*(LIST_WIDTH+1); wi.text = "L1"; ghList1 = gwinListCreate(NULL, &wi);
gwinListAddItem(ghList1, "Item 0", FALSE);
gwinListAddItem(ghList1, "Item 1", FALSE);
gwinListAddItem(ghList1, "Item 2", FALSE);
gwinListAddItem(ghList1, "Item 3", FALSE);
gwinListAddItem(ghList1, "Item 4", FALSE);
gwinListAddItem(ghList1, "Item 5", FALSE);
gwinListAddItem(ghList1, "Item 6", FALSE);
gwinListAddItem(ghList1, "Item 7", FALSE);
gwinListAddItem(ghList1, "Item 8", FALSE);
gwinListAddItem(ghList1, "Item 9", FALSE);
gwinListAddItem(ghList1, "Item 10", FALSE);
gwinListAddItem(ghList1, "Item 11", FALSE);
gwinListAddItem(ghList1, "Item 12", FALSE);
gwinListAddItem(ghList1, "Item 13", FALSE);
wi.g.x = 0+0*(LIST_WIDTH+1); wi.text = "L1"; ghList1 = gwinListCreate(NULL, &wi, FALSE);
gwinListAddItem(ghList1, "Item 0", FALSE); gwinListAddItem(ghList1, "Item 1", FALSE);
gwinListAddItem(ghList1, "Item 2", FALSE); gwinListAddItem(ghList1, "Item 3", FALSE);
gwinListAddItem(ghList1, "Item 4", FALSE); gwinListAddItem(ghList1, "Item 5", FALSE);
gwinListAddItem(ghList1, "Item 6", FALSE); gwinListAddItem(ghList1, "Item 7", FALSE);
gwinListAddItem(ghList1, "Item 8", FALSE); gwinListAddItem(ghList1, "Item 9", FALSE);
gwinListAddItem(ghList1, "Item 10", FALSE); gwinListAddItem(ghList1, "Item 11", FALSE);
gwinListAddItem(ghList1, "Item 12", FALSE); gwinListAddItem(ghList1, "Item 13", FALSE);
wi.g.x = 0+1*(LIST_WIDTH+1); wi.text = "L2"; ghList2 = gwinListCreate(NULL, &wi, TRUE);
gwinListAddItem(ghList2, "Item 0", FALSE); gwinListAddItem(ghList2, "Item 1", FALSE);
gwinListAddItem(ghList2, "Item 2", FALSE); gwinListAddItem(ghList2, "Item 3", FALSE);
gwinListAddItem(ghList2, "Item 4", FALSE); gwinListAddItem(ghList2, "Item 5", FALSE);
gwinListAddItem(ghList2, "Item 6", FALSE); gwinListAddItem(ghList2, "Item 7", FALSE);
gwinListAddItem(ghList2, "Item 8", FALSE); gwinListAddItem(ghList2, "Item 9", FALSE);
gwinListAddItem(ghList2, "Item 10", FALSE); gwinListAddItem(ghList2, "Item 11", FALSE);
gwinListAddItem(ghList2, "Item 12", FALSE); gwinListAddItem(ghList2, "Item 13", FALSE);
// Image
wi.g.x = ScrWidth-210; wi.g.y = TAB_HEIGHT + 10; wi.g.width = 200; wi.g.height = 200;
@ -206,7 +207,7 @@ static void setTab(GHandle tab) {
gwinSetVisible(ghLabel1, FALSE);
gwinSetVisible(ghRadio1, FALSE); gwinSetVisible(ghRadio2, FALSE);
gwinSetVisible(ghRadioWhite, FALSE);gwinSetVisible(ghRadioBlack, FALSE);gwinSetVisible(ghRadioYellow, FALSE);
gwinSetVisible(ghList1, FALSE);
gwinSetVisible(ghList1, FALSE); gwinSetVisible(ghList2, FALSE);
gwinSetVisible(ghImage1, FALSE);
/* Turn on widgets depending on the tab selected */
@ -224,7 +225,7 @@ static void setTab(GHandle tab) {
gwinSetVisible(ghRadio1, TRUE); gwinSetVisible(ghRadio2, TRUE);
gwinSetVisible(ghRadioWhite, TRUE); gwinSetVisible(ghRadioBlack, TRUE); gwinSetVisible(ghRadioYellow, TRUE);
} else if (tab == ghTabLists) {
gwinSetVisible(ghList1, TRUE);
gwinSetVisible(ghList1, TRUE); gwinSetVisible(ghList2, TRUE);
} else if (tab == ghTabImages) {
gwinSetVisible(ghImage1, TRUE);
}
@ -241,6 +242,7 @@ static void setEnabled(bool_t ena) {
gwinSetEnabled(ghCheckbox1, ena); gwinSetEnabled(ghCheckbox2, ena); //gwinSetEnabled(ghCheckDisableAll, TRUE);
gwinSetEnabled(ghLabel1, ena);
gwinSetEnabled(ghRadio1, ena); gwinSetEnabled(ghRadio2, ena);
gwinSetEnabled(ghList1, ena); gwinSetEnabled(ghList2, ena);
gwinSetEnabled(ghRadioWhite, ena); gwinSetEnabled(ghRadioBlack, ena); gwinSetEnabled(ghRadioYellow, ena);
gwinSetEnabled(ghImage1, ena);
}
@ -309,7 +311,8 @@ int main(void) {
break;
case GEVENT_GWIN_LIST:
gwinPrintf(ghConsole, "List %s Item %d\n", gwinGetText(((GEventGWinList *)pe)->list), ((GEventGWinList *)pe)->item);
gwinPrintf(ghConsole, "List %s Item %d %s\n", gwinGetText(((GEventGWinList *)pe)->list), ((GEventGWinList *)pe)->item,
gwinListItemIsSelected(((GEventGWinList *)pe)->list, ((GEventGWinList *)pe)->item) ? "Selected" : "Unselected");
break;
case GEVENT_GWIN_RADIO:

3
include/gwin/list.h
View File

@ -79,12 +79,13 @@ extern "C" {
*
* @param[in] widget The GListObject structure to initialize. If this is NULL, the structure is dynamically allocated.
* @param[in] pInit The initialization parameters to use
* @param[in] multiselect If TRUE the list is multi-select instead of single-select.
*
* @return NULL if there is no resulting drawing area, otherwise a window handle.
*
* @api
*/
GHandle gwinListCreate(GListObject *widget, GWidgetInit *pInit);
GHandle gwinListCreate(GListObject *widget, GWidgetInit *pInit, bool_t multiselect);
/**
* @brief Add an item to the list

25
src/gwin/list.c
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@ -172,10 +172,17 @@ static void gwinListDefaultDraw(GWidgetObject* gw, void* param) {
return;
for(qi = gfxQueueASyncPeek(&gw2obj->list_head), i = 0; qi; qi = gfxQueueASyncNext(qi), i++) {
if (item == i)
qi2li->flags |= GLIST_FLG_SELECTED;
else
qi2li->flags &=~ GLIST_FLG_SELECTED;
if ((gw->g.flags & GLIST_FLG_MULTISELECT)) {
if (item == i) {
qi2li->flags ^= GLIST_FLG_SELECTED;
break;
}
} else {
if (item == i)
qi2li->flags |= GLIST_FLG_SELECTED;
else
qi2li->flags &=~ GLIST_FLG_SELECTED;
}
}
_gwidgetRedraw(&gw->g);
@ -281,7 +288,7 @@ static const gwidgetVMT listVMT = {
#endif
};
GHandle gwinListCreate(GListObject* gobj, GWidgetInit* pInit) {
GHandle gwinListCreate(GListObject* gobj, GWidgetInit* pInit, bool_t multiselect) {
if (!(gobj = (GListObject *)_gwidgetCreate(&gobj->w, pInit, &listVMT)))
return 0;
@ -289,6 +296,8 @@ GHandle gwinListCreate(GListObject* gobj, GWidgetInit* pInit) {
gfxQueueASyncInit(&gobj->list_head);
gobj->cnt = 0;
gobj->top = 0;
if (multiselect)
gobj->w.g.flags |= GLIST_FLG_MULTISELECT;
gwinSetVisible(&gobj->w.g, pInit->g.show);
@ -315,7 +324,7 @@ int gwinListAddItem(GHandle gh, const char* item_name, bool_t useAlloc) {
newItem->text = item_name;
// select the item if it's the first in the list
if (gh2obj->cnt == 0)
if (gh2obj->cnt == 0 && !(gh->flags & GLIST_FLG_MULTISELECT))
newItem->flags |= GLIST_FLG_SELECTED;
// add the new item to the list
@ -377,6 +386,10 @@ int gwinListGetSelected(GHandle gh) {
if (gh->vmt != (gwinVMT *)&listVMT)
return -1;
// Multi-select always returns -1. Use gwinListItemIsSelected() instead
if ((gh->flags & GLIST_FLG_MULTISELECT))
return -1;
for(qi = gfxQueueASyncPeek(&gh2obj->list_head), i = 0; qi; qi = gfxQueueASyncNext(qi), i++) {
if (qi2li->flags & GLIST_FLG_SELECTED)
return i;