tableview field editor delegates

WINGs/Extras/Makefile.am

@@ -4,24 +4,27 @@ AUTOMAKE_OPTIONS = no-dependencies
 
 
 
-include_HEADERS = wtableview.h tabledelegates.h fieldeditor.h
+include_HEADERS = wtableview.h tabledelegates.h 
 
 
 lib_LIBRARIES = libExtraWINGs.a 
 
-
+noinst_PROGRAMS = test
 
 EXTRA_DIST = 
 
 libExtraWINGs_a_SOURCES = 	\
 	wtableview.c \
 	tabledelegates.c \
-	fieldeditor.c \
 	wtableview.h \
-	tabledelegates.h \
+	tabledelegates.h 
-	fieldeditor.h
 
 
 INCLUDES = -I$(top_srcdir)/wrlib -I$(top_srcdir)/WINGs \
 	-DRESOURCE_PATH=\"$(datadir)/WINGs\" @HEADER_SEARCH_PATH@ -DDEBUG
 
+LDADD= $(top_builddir)/WINGs/libWINGs.a $(top_builddir)/wrlib/libwraster.la \
+        @LIBPL@ 
+
+test_LDADD = wtableview.o tabledelegates.o $(LDADD)
+

WINGs/Extras/fieldeditor.c

@@ -1,41 +0,0 @@
-
-
-#include <WINGs.h>
-
-#include "wtableview.h"
-
-#include "fieldeditor.h"
-
-
-WFStringEditor *WFCreateStringEditor(WMScreen *scr)
-{
-    WFStringEditor *editor = wmalloc(sizeof(WFStringEditor));
-    
-    editor->scr = scr;
-    editor->field = NULL;
-    editor->font = WMSystemFontOfSize(scr, 12);
-    editor->gc = WMColorGC(WMBlackColor(scr));
-    
-    return editor;
-}
-
-
-
-void WFStringEditorTableDraw(WFStringEditor *self, Drawable d, 
-			     void *data, WMRect rect)
-{
-    int x, y;
-    XRectangle rects[1];
-
-    x = rect.pos.x + 5;
-    y = rect.pos.y + (rect.size.height - WMFontHeight(self->font))/2;
-
-    rects[0].x = rect.pos.x+1;
-    rects[0].y = rect.pos.y+1;
-    rects[0].width = rect.size.width-2;
-    rects[0].height = rect.size.height-2;
-    XSetClipRectangles(WMScreenDisplay(self->scr), self->gc, 0, 0, 
-		       rects, 1, YXSorted);
-    WMDrawString(self->scr, d, self->gc, self->font, x, y, data, strlen(data));
-    XSetClipMask(WMScreenDisplay(self->scr), self->gc, None);
-}

WINGs/Extras/fieldeditor.h

@@ -1,21 +0,0 @@
-
-
-
-
-typedef struct {
-    WMTextField *field;
-    WMScreen *scr;
-    GC gc;
-    WMFont *font;
-} WFStringEditor;
-
-
-typedef struct {
-    
-} WFStringSelector;
-
-
-WFStringEditor *WFCreateStringEditor();
-
-void WFStringEditorTableDraw(WFStringEditor *self, Drawable d, void *data, WMRect rect);
-

WINGs/Extras/tabledelegates.c

@@ -2,35 +2,122 @@
 
 #include <WINGs.h>
 
-#include "fieldeditor.h"
 #include "wtableview.h"
 
 
+typedef struct {
+    WMTextField *widget;
+    WMTableView *table;
+    WMFont *font;
+    GC gc;
+    GC selGc;
+    GC selTextGc;
+} StringEditorData;
+
+
+static void stringDraw(WMScreen *scr, Drawable d, GC gc,
+		       GC sgc, GC stgc, WMFont *font, void *data,
+		       WMRect rect, Bool selected)
+{
+    int x, y;
+    XRectangle rects[1];
+    Display *dpy = WMScreenDisplay(scr);
+
+    x = rect.pos.x + 5;
+    y = rect.pos.y + (rect.size.height - WMFontHeight(font))/2;
+
+    rects[0].x = rect.pos.x+1;
+    rects[0].y = rect.pos.y+1;
+    rects[0].width = rect.size.width-1;
+    rects[0].height = rect.size.height-1;
+    XSetClipRectangles(dpy, gc, 0, 0, rects, 1, YXSorted);
+    
+    if (!selected) {
+	XClearArea(dpy, d, rects[0].x, rects[0].y, 
+		   rects[0].width, rects[0].height,
+		   False);
+    
+	WMDrawString(scr, d, gc, font, x, y, 
+		     data, strlen(data));	
+    } else {
+	XFillRectangles(dpy, d, sgc, rects, 1);
+    
+	WMDrawString(scr, d, stgc, font, x, y, 
+		     data, strlen(data));
+    }
+    
+    XSetClipMask(dpy, gc, None);
+}
+
+
 
 
 static void cellPainter(WMTableColumnDelegate *self, WMTableColumn *column,
 			int row)
 {
-//    WTStringDelegate *strdel = (WTStringDelegate*)self->data;
+    StringEditorData *strdata = (StringEditorData*)self->data;
     WMTableView *table = WMGetTableColumnTableView(column);
     
-    WFStringEditorTableDraw(self->data,
+    stringDraw(WMWidgetScreen(table), 
-			    WMViewXID(WMGetTableViewDocumentView(table)),
+	       WMViewXID(WMGetTableViewDocumentView(table)),
-			    WMTableViewDataForCell(table, column, row),
+	       strdata->gc, strdata->selGc, strdata->selTextGc, strdata->font,
-			    WMTableViewRectForCell(table, column, row));
+	       WMTableViewDataForCell(table, column, row),
+	       WMTableViewRectForCell(table, column, row),
+	       False);
+}
+
+
+static void selectedCellPainter(WMTableColumnDelegate *self,
+				WMTableColumn *column, int row)
+{
+    StringEditorData *strdata = (StringEditorData*)self->data;
+    WMTableView *table = WMGetTableColumnTableView(column);
+    
+    stringDraw(WMWidgetScreen(table), 
+	       WMViewXID(WMGetTableViewDocumentView(table)),
+	       strdata->gc, strdata->selGc, strdata->selTextGc, strdata->font,
+	       WMTableViewDataForCell(table, column, row),
+	       WMTableViewRectForCell(table, column, row),
+	       True);
+}
+
+
+static void beginCellEdit(WMTableColumnDelegate *self,
+			  WMTableColumn *column, int row)
+{
+    StringEditorData *strdata = (StringEditorData*)self->data;    
+    WMRect rect = WMTableViewRectForCell(strdata->table, column, row);
+    void *data = WMTableViewDataForCell(strdata->table, column, row);
+
+    WMSetTextFieldText(strdata->widget, (char*)data);
+    WMMoveWidget(strdata->widget, rect.pos.x, rect.pos.y);
+    WMResizeWidget(strdata->widget, rect.size.width+1, rect.size.height+1);
+
+    WMMapWidget(strdata->widget);
 }
 
 
 
 WMTableColumnDelegate *WTCreateStringDelegate(WMTableView *parent)
 {
-    WMTableColumnDelegate *delegate = wmalloc(sizeof(WMTableColumnDelegate)); 
+    WMTableColumnDelegate *delegate = wmalloc(sizeof(WMTableColumnDelegate));
+    WMScreen *scr = WMWidgetScreen(parent);
+    StringEditorData *data = wmalloc(sizeof(StringEditorData));
     
-    delegate->data = wmalloc(sizeof(StringEditorData));
+    data->widget = WMCreateTextField(parent);
-    delegate->data->widget = WFCreateStringEditor(WMWidgetScreen(parent));
+    W_ReparentView(WMWidgetView(data->widget), 
-    delegate->data->table = parent;
+		   WMGetTableViewDocumentView(parent), 
+		   0, 0);
+    data->table = parent;
+    data->font = WMSystemFontOfSize(scr, 12);
+    data->selGc = WMColorGC(WMDarkGrayColor(scr));
+    data->selTextGc = WMColorGC(WMWhiteColor(scr));
+    data->gc = WMColorGC(WMBlackColor(scr));
+    
+    delegate->data = data;
     delegate->drawCell = cellPainter;
-    delegate->beginCellEdit = NULL;
+    delegate->drawSelectedCell = selectedCellPainter;
+    delegate->beginCellEdit = beginCellEdit;
     delegate->endCellEdit = NULL;
     
     return delegate;

WINGs/Extras/test.c

@@ -0,0 +1,85 @@
+
+
+#include <WINGs.h>
+#include "wtableview.h"
+#include "tabledelegates.h"
+
+
+
+int numberOfRows(WMTableViewDelegate *self, WMTableView *table)
+{
+    return 20;
+}
+
+
+void *valueForCell(WMTableViewDelegate *self, WMTableColumn *column, int row)
+{
+    WMTableView *table = (WMTableView*)WMGetTableColumnTableView(column);
+    
+    return "TESTE";
+}
+
+
+static WMTableViewDelegate delegate = {
+    NULL,
+	numberOfRows,
+	valueForCell,
+	NULL
+};
+
+
+
+main(int argc, char **argv)
+{
+    Display *dpy = XOpenDisplay("");
+    WMScreen *scr;
+    WMWindow *win;
+    WMTableView *table;
+    WMTableColumn *col;
+    WMTableColumnDelegate *colDeleg;
+    
+    WMInitializeApplication("test", &argc, argv);
+    
+    
+    
+    dpy = XOpenDisplay("");
+    if (!dpy) {
+	exit(1);
+    }
+    
+    scr = WMCreateScreen(dpy, DefaultScreen(dpy));
+
+    
+    win = WMCreateWindow(scr, "eweq");
+    WMResizeWidget(win, 400, 200);
+    WMMapWidget(win);
+    
+    table = WMCreateTableView(win);
+    WMResizeWidget(table, 400, 200);
+    WMSetTableViewBackgroundColor(table, WMWhiteColor(scr));
+    WMSetTableViewGridColor(table, WMGrayColor(scr));
+    WMSetTableViewHeaderHeight(table, 20);
+    WMSetTableViewDelegate(table, &delegate);
+    
+    colDeleg = WTCreateStringDelegate(table);
+    
+    col = WMCreateTableColumn("Group");
+    WMSetTableColumnWidth(col, 180);
+    WMAddTableViewColumn(table, col);	
+    WMSetTableColumnDelegate(col, colDeleg);
+    WMSetTableColumnId(col, (void*)1);
+
+    colDeleg = WTCreateStringDelegate(table);
+    
+    col = WMCreateTableColumn("Package");
+    WMSetTableColumnWidth(col, 240);
+    WMAddTableViewColumn(table, col);	
+    WMSetTableColumnDelegate(col, colDeleg);
+    WMSetTableColumnId(col, (void*)2);	
+
+
+    WMMapWidget(table);
+    WMRealizeWidget(win);
+    WMScreenMainLoop(scr);
+    
+}

WINGs/Extras/wtableview.c

@@ -5,6 +5,11 @@
 
 #include "wtableview.h"
 
+
+const char *WMTableViewRowWasSelectedNotification = "WMTableViewRowWasSelectedNotification";
+const char *WMTableViewRowWasUnselectedNotification = "WMTableViewRowWasUnselectedNotification";
+
+
 struct W_TableColumn {
     WMTableView *table;
     WMWidget *titleW;
@@ -122,7 +127,9 @@ struct W_TableView {
 
     WMArray *columns;
     WMArray *splitters;
-    
+
+    WMArray *selectedRows;
+
     int tableWidth;
     
     int rows;
@@ -141,6 +148,9 @@ struct W_TableView {
     unsigned rowHeight;
     
     unsigned drawsGrid:1;
+    unsigned canSelectRow:1;
+    unsigned canSelectMultiRows:1;
+    unsigned canDeselectRow:1;
 };
 
 static W_Class tableClass = 0;
@@ -193,8 +203,24 @@ static void scrollObserver(void *self, WMNotification *notif)
 static void splitterHandler(XEvent *event, void *data)
 {
     WMTableView *table = (WMTableView*)data;
+    int done = 0;
     
-    
+    while (!done) {
+	XEvent ev;
+	
+	WMMaskEvent(event->xany.display, ButtonMotionMask|ButtonReleaseMask,
+		    &ev);
+	
+	switch (event->type) {
+	 case MotionNotify:
+	    printf("%i\n", event->xmotion.x);
+	    break;
+	    
+	 case ButtonRelease:
+	    done = 1;
+	    break;
+	}
+    }
 }
 
 
@@ -249,10 +275,11 @@ WMTableView *WMCreateTableView(WMWidget *parent)
     
 
     table->tableView = W_CreateView(W_VIEW(parent));
-    if (!table->tableView) 
+    if (!table->tableView)
 	goto error;
+    table->tableView->self = table;
     W_ResizeView(table->tableView, 100, 1000);
-    W_MapView(table->tableView);    
+    W_MapView(table->tableView);
     
     WMSetScrollViewContentView(table->scrollView, table->tableView);
 
@@ -277,14 +304,18 @@ WMTableView *WMCreateTableView(WMWidget *parent)
     
     table->columns = WMCreateArray(4);
     table->splitters = WMCreateArray(4);
+
+    table->selectedRows = WMCreateArray(16);
     
     table->splitterCursor = XCreateFontCursor(WMScreenDisplay(scr),
 					      XC_sb_h_double_arrow);
     
+    table->canSelectRow = 1;
+    
     WMCreateEventHandler(table->view, ExposureMask|StructureNotifyMask,
                          handleEvents, table);
 
-    WMCreateEventHandler(table->tableView, ExposureMask,
+    WMCreateEventHandler(table->tableView, ExposureMask|ButtonPressMask,
                          handleTableEvents, table);
     
     return table;
@@ -338,8 +369,8 @@ void WMAddTableViewColumn(WMTableView *table, WMTableColumn *column)
 	W_MapView(splitter);
 	
 	W_SetViewCursor(splitter, table->splitterCursor);
-	WMCreateEventHandler(splitter, ButtonPressMask|ButtonReleaseMask
+	WMCreateEventHandler(splitter, ButtonPressMask,
-			     |PointerMotionMask, splitterHandler, table);
+			     splitterHandler, table);
 
 	WMAddToArray(table->splitters, splitter);
     }
@@ -448,6 +479,7 @@ void WMSetTableViewGridColor(WMTableView *table, WMColor *color)
 }
 
 
+
 static void drawGrid(WMTableView *table, WMRect rect)
 {
     WMScreen *scr = WMWidgetScreen(table);
@@ -550,13 +582,73 @@ static void drawRow(WMTableView *table, int row, WMRect clipRect)
     int i;
     WMRange cols = columnsInRect(table, clipRect);
     WMTableColumn *column;
-        
+       
     for (i = cols.position; i < cols.position+cols.count; i++) {
 	column = WMGetFromArray(table->columns, i);
 
 	wassertr(column->delegate && column->delegate->drawCell);
 	
-	(*column->delegate->drawCell)(column->delegate, column, row);
+	if (WMFindInArray(table->selectedRows, NULL, (void*)row) != WANotFound)
+	    (*column->delegate->drawSelectedCell)(column->delegate, column, row);
+	else
+	    (*column->delegate->drawCell)(column->delegate, column, row);
+    }
+}
+
+
+static void drawFullRow(WMTableView *table, int row)
+{
+    int i;
+    WMTableColumn *column;
+       
+    for (i = 0; i < WMGetArrayItemCount(table->columns); i++) {
+	column = WMGetFromArray(table->columns, i);
+
+	wassertr(column->delegate && column->delegate->drawCell);
+	
+	if (WMFindInArray(table->selectedRows, NULL, (void*)row) != WANotFound)
+	    (*column->delegate->drawSelectedCell)(column->delegate, column, row);
+	else
+	    (*column->delegate->drawCell)(column->delegate, column, row);
+    }
+}
+
+
+static void setRowSelected(WMTableView *table, unsigned row, Bool flag)
+{
+    int repaint = 0;
+
+    
+    if (WMGetArrayItemCount(table->selectedRows) > 0 
+	&& !table->canSelectMultiRows) {
+	int r = (int)WMGetFromArray(table->selectedRows, 0);
+	
+	WMDeleteFromArray(table->selectedRows, 0);
+	
+	drawFullRow(table, r);
+	
+	WMPostNotificationName(WMTableViewRowWasUnselectedNotification,
+			       table, (void*)r);
+    }
+    
+    if (WMFindInArray(table->selectedRows, NULL, (void*)row) != WANotFound) {
+	if (!flag) {
+	    WMRemoveFromArray(table->selectedRows, (void*)row);
+	    WMPostNotificationName(WMTableViewRowWasUnselectedNotification,
+				   table, (void*)row);
+	    repaint = 1;
+	}
+    } else {
+	if (flag) {
+	    WMAddToArray(table->selectedRows, (void*)row);
+	    WMPostNotificationName(WMTableViewRowWasSelectedNotification,
+				   table, (void*)row);	    
+	    repaint = 1;
+	}
+    }
+
+    if (repaint) {	
+	drawFullRow(table, row);
     }
 }
 
@@ -594,11 +686,31 @@ static void repaintTable(WMTableView *table, int x, int y,
 }
 
 
+static void startRowEdit(WMTableView *table, int row)
+{
+    int i;
+    WMTableColumn *column;
+       
+    for (i = 0; i < WMGetArrayItemCount(table->columns); i++) {
+	column = WMGetFromArray(table->columns, i);
+
+	wassertr(column->delegate && column->delegate->drawCell);
+	
+	(*column->delegate->beginCellEdit)(column->delegate, column, row);
+    }
+}
+
+
 static void handleTableEvents(XEvent *event, void *data)
 {
     WMTableView *table = (WMTableView*)data;
     
     switch (event->type) {
+     case ButtonPress:
+	setRowSelected(table, event->xbutton.y/table->rowHeight, True);
+	startRowEdit(table, event->xbutton.y/table->rowHeight);
+	break;
+
      case Expose:
 	repaintTable(table, event->xexpose.x, event->xexpose.y,
 		     event->xexpose.width, event->xexpose.height);

WINGs/Extras/wtableview.h

@@ -12,12 +12,20 @@ typedef struct W_TableColumn WMTableColumn;
 typedef struct W_TableView WMTableView;
 
 
+extern const char *WMTableViewRowWasSelectedNotification;
+extern const char *WMTableViewRowWasUnselectedNotification;
+
+
 typedef struct WMTableColumnDelegate {
     void *data;
     void (*drawCell)(struct WMTableColumnDelegate *self, WMTableColumn *column,
 		     int row);
-    void (*editCell)(struct WMTableColumnDelegate *self, WMTableColumn *column,
+    void (*drawSelectedCell)(struct WMTableColumnDelegate *self,
-		     int row, XEvent *event);
+			     WMTableColumn *column, int row);
+    void (*beginCellEdit)(struct WMTableColumnDelegate *self, WMTableColumn *column,
+			  int row);
+    void (*endCellEdit)(struct WMTableColumnDelegate *self, WMTableColumn *column,
+			int row);    
 } WMTableColumnDelegate;