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mirror of https://github.com/gryf/wmaker.git synced 2025-12-18 20:10:29 +01:00
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wmaker/WINGs/wtabview.c
kojima dd2d71fc9b started Appearance update in WPrefs
added tabbed view
changed some callbacks to delegate like stuff (textfield and browser)
1999-05-15 17:38:05 +00:00

647 lines
13 KiB
C

#include "WINGsP.h"
typedef struct W_TabView {
W_Class widgetClass;
W_View *view;
struct W_TabViewItem **items;
int itemCount;
int maxItems; /* size of items array */
int selectedItem;
WMFont *font;
WMColor *lightGray;
WMColor *tabColor;
short tabWidth;
short tabHeight;
struct {
WMReliefType relief:4;
WMTitlePosition titlePosition:4;
WMTabViewTypes type:2;
unsigned tabbed:1;
unsigned allowsTruncatedLabels:1;
} flags;
} TabView;
struct W_ViewProcedureTable _TabViewViewProcedures = {
NULL,
NULL,
NULL
};
#define DEFAULT_WIDTH 40
#define DEFAULT_HEIGHT 40
static void destroyTabView(TabView *tPtr);
static void paintTabView(TabView *tPtr);
static void W_SetTabViewItemParent(WMTabViewItem *item, WMTabView *parent);
static void W_DrawLabel(WMTabViewItem *item, Drawable d, WMRect rect);
static void W_UnmapTabViewItem(WMTabViewItem *item);
static void W_MapTabViewItem(WMTabViewItem *item);
static WMView *W_TabViewItemView(WMTabViewItem *item);
static void recalcTabWidth(TabView *tPtr);
static void
handleEvents(XEvent *event, void *data)
{
TabView *tPtr = (TabView*)data;
CHECK_CLASS(data, WC_TabView);
switch (event->type) {
case Expose:
if (event->xexpose.count!=0)
break;
paintTabView(tPtr);
break;
case ButtonPress:
{
WMTabViewItem *item = WMTabViewItemAtPoint(tPtr,
event->xbutton.x,
event->xbutton.y);
if (item) {
WMSelectTabViewItem(tPtr, item);
}
}
break;
case DestroyNotify:
destroyTabView(tPtr);
break;
}
}
WMTabView*
WMCreateTabView(WMWidget *parent)
{
TabView *tPtr;
WMScreen *scr = WMWidgetScreen(parent);
tPtr = wmalloc(sizeof(TabView));
memset(tPtr, 0, sizeof(TabView));
tPtr->widgetClass = WC_TabView;
tPtr->view = W_CreateView(W_VIEW(parent));
if (!tPtr->view) {
free(tPtr);
return NULL;
}
tPtr->view->self = tPtr;
tPtr->lightGray = WMCreateRGBColor(scr, 0xd9d9, 0xd9d9, 0xd9d9, False);
tPtr->tabColor = WMCreateRGBColor(scr, 0x8420, 0x8420, 0x8420, False);
tPtr->font = WMRetainFont(scr->normalFont);
WMCreateEventHandler(tPtr->view, ExposureMask|StructureNotifyMask
|ButtonPressMask, handleEvents, tPtr);
WMResizeWidget(tPtr, DEFAULT_WIDTH, DEFAULT_HEIGHT);
tPtr->tabHeight = WMFontHeight(tPtr->font) + 3;
return tPtr;
}
void
WMAddItemInTabView(WMTabView *tPtr, WMTabViewItem *item)
{
WMInsertItemInTabView(tPtr, tPtr->itemCount, item);
}
void
WMInsertItemInTabView(WMTabView *tPtr, int index, WMTabViewItem *item)
{
wassertr(W_TabViewItemView(item) != NULL);
if (tPtr->maxItems == tPtr->itemCount) {
WMTabViewItem **items;
items = wrealloc(tPtr->items, tPtr->maxItems + 10);
if (!items) {
wwarning("out of memory allocating memory for tabview");
return;
}
tPtr->items = items;
tPtr->maxItems += 10;
}
if (index > tPtr->itemCount)
index = tPtr->itemCount;
if (index == 0) {
W_UnmapTabViewItem(tPtr->items[0]);
}
if (index < tPtr->itemCount) {
memmove(&tPtr->items[index + 1], &tPtr->items[index],
tPtr->itemCount - index);
}
tPtr->items[index] = item;
tPtr->itemCount++;
recalcTabWidth(tPtr);
W_SetTabViewItemParent(item, tPtr);
W_UnmapTabViewItem(item);
W_ReparentView(W_TabViewItemView(item), tPtr->view, 1,
tPtr->tabHeight + 1);
W_ResizeView(W_TabViewItemView(item), tPtr->view->size.width - 3,
tPtr->view->size.height - tPtr->tabHeight - 3);
if (index == 0) {
W_MapTabViewItem(item);
}
}
void
WMRemoveTabViewItem(WMTabView *tPtr, WMTabViewItem *item)
{
int i;
for (i = 0; i < tPtr->itemCount; i++) {
if (tPtr->items[i] == item) {
if (i < tPtr->itemCount - 1)
memmove(&tPtr->items[i], &tPtr->items[i + 1],
tPtr->itemCount - i - 1);
else
tPtr->items[i] = NULL;
W_SetTabViewItemParent(item, NULL);
tPtr->itemCount--;
break;
}
}
}
static Bool
isInside(int x, int y, int width, int height, int px, int py)
{
if (py >= y + height - 3 && py <= y + height
&& px >= x + py - (y + height - 3)
&& px <= x + width - (py - (y + height - 3))) {
return True;
}
if (py >= y + 3 && py < y + height - 3
&& px >= x + 3 + ((y + 3) - py)*3/7
&& px <= x + width - 3 - ((y + 3) - py)*3/7) {
return True;
}
if (py >= y && py < y + 3
&& px >= x + 7 + py - y
&& px <= x + width - 7 - (py - y)) {
return True;
}
return False;
}
WMTabViewItem*
WMTabViewItemAtPoint(WMTabView *tPtr, int x, int y)
{
int i;
i = tPtr->selectedItem;
if (isInside(8 + (tPtr->tabWidth-10)*i, 0, tPtr->tabWidth,
tPtr->tabHeight, x, y)) {
return tPtr->items[i];
}
for (i = 0; i < tPtr->itemCount; i++) {
if (isInside(8 + (tPtr->tabWidth-10)*i, 0, tPtr->tabWidth,
tPtr->tabHeight, x, y)) {
return tPtr->items[i];
}
}
return NULL;
}
void
WMSelectFirstTabViewItem(WMTabView *tPtr)
{
WMSelectTabViewItemAtIndex(tPtr, 0);
}
void
WMSelectLastTabViewItem(WMTabView *tPtr)
{
WMSelectTabViewItemAtIndex(tPtr, tPtr->itemCount);
}
void
WMSelectNextTabViewItem(WMTabView *tPtr)
{
WMSelectTabViewItemAtIndex(tPtr, tPtr->selectedItem + 1);
}
void
WMSelectPreviousTabViewItem(WMTabView *tPtr)
{
WMSelectTabViewItemAtIndex(tPtr, tPtr->selectedItem - 1);
}
WMTabViewItem*
WMGetSelectedTabViewItem(WMTabView *tPtr)
{
return tPtr->items[tPtr->selectedItem];
}
void
WMSelectTabViewItem(WMTabView *tPtr, WMTabViewItem *item)
{
int i;
for (i = 0; i < tPtr->itemCount; i++) {
if (tPtr->items[i] == item) {
WMSelectTabViewItemAtIndex(tPtr, i);
break;
}
}
}
void
WMSelectTabViewItemAtIndex(WMTabView *tPtr, int index)
{
WMTabViewItem *item;
if (index == tPtr->selectedItem)
return;
if (index < 0)
index = 0;
else if (index >= tPtr->itemCount)
index = tPtr->itemCount - 1;
item = tPtr->items[tPtr->selectedItem];
W_UnmapTabViewItem(item);
item = tPtr->items[index];
W_MapTabViewItem(item);
tPtr->selectedItem = index;
}
static void
recalcTabWidth(TabView *tPtr)
{
int i;
int twidth = W_VIEW(tPtr)->size.width;
int width;
tPtr->tabWidth = 0;
for (i = 0; i < tPtr->itemCount; i++) {
char *str = WMGetTabViewItemLabel(tPtr->items[i]);
if (str) {
width = WMWidthOfString(tPtr->font, str, strlen(str));
if (width > tPtr->tabWidth)
tPtr->tabWidth = width;
}
}
tPtr->tabWidth += 30;
if (tPtr->tabWidth > twidth - 10 * tPtr->itemCount
&& tPtr->tabWidth < twidth - 16)
tPtr->tabWidth = (twidth - 16) / tPtr->itemCount;
}
static void
drawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
unsigned int height)
{
Display *dpy = scr->display;
GC bgc = WMColorGC(scr->black);
GC wgc = WMColorGC(scr->white);
GC dgc = WMColorGC(scr->darkGray);
XDrawLine(dpy, d, wgc, x, y, x, y+height-1);
XDrawLine(dpy, d, bgc, x, y+height-1, x+width-1, y+height-1);
XDrawLine(dpy, d, dgc, x+1, y+height-2, x+width-2, y+height-2);
XDrawLine(dpy, d, bgc, x+width-1, y, x+width-1, y+height-1);
XDrawLine(dpy, d, dgc, x+width-2, y+1, x+width-2, y+height-2);
}
static void
drawTab(TabView *tPtr, Drawable d, int x, int y,
unsigned width, unsigned height, Bool selected)
{
WMScreen *scr = W_VIEW(tPtr)->screen;
Display *dpy = scr->display;
GC white = WMColorGC(selected ? scr->white : tPtr->lightGray);
GC black = WMColorGC(scr->black);
GC dark = WMColorGC(scr->darkGray);
GC light = WMColorGC(scr->gray);
XPoint trap[8];
trap[0].x = x + (selected ? 0 : 1);
trap[0].y = y + height - (selected ? 0 : 1);
trap[1].x = x + 3;
trap[1].y = y + height - 3;
trap[2].x = x + 10 - 3;
trap[2].y = y + 3;
trap[3].x = x + 10;
trap[3].y = y;
trap[4].x = x + width - 10;
trap[4].y = y;
trap[5].x = x + width - 10 + 3;
trap[5].y = y + 3;
trap[6].x = x + width - 3;
trap[6].y = y + height - 3;
trap[7].x = x + width - (selected ? 0 : 1);
trap[7].y = y + height - (selected ? 0 : 1);
XFillPolygon(dpy, d, selected ? light : WMColorGC(tPtr->tabColor), trap, 8,
Convex, CoordModeOrigin);
XDrawLine(dpy, d, white, trap[0].x, trap[0].y, trap[1].x, trap[1].y);
XDrawLine(dpy, d, white, trap[1].x, trap[1].y, trap[2].x, trap[2].y);
XDrawLine(dpy, d, white, trap[2].x, trap[2].y, trap[3].x, trap[3].y);
XDrawLine(dpy, d, white, trap[3].x, trap[3].y, trap[4].x, trap[4].y);
XDrawLine(dpy, d, dark, trap[4].x, trap[4].y, trap[5].x, trap[5].y);
XDrawLine(dpy, d, black, trap[5].x, trap[5].y, trap[6].x, trap[6].y);
XDrawLine(dpy, d, black, trap[6].x, trap[6].y, trap[7].x, trap[7].y);
XDrawLine(dpy, d, selected ? light : WMColorGC(scr->white),
trap[0].x, trap[0].y, trap[7].x, trap[7].y);
}
static void
paintTabView(TabView *tPtr)
{
Pixmap buffer;
WMScreen *scr = W_VIEW(tPtr)->screen;
Display *dpy = scr->display;
GC white = WMColorGC(scr->white);
int i;
WMRect rect;
switch (tPtr->flags.type) {
case WTTopTabsBevelBorder:
drawRelief(scr, W_VIEW(tPtr)->window, 0, tPtr->tabHeight - 1,
W_VIEW(tPtr)->size.width,
W_VIEW(tPtr)->size.height - tPtr->tabHeight + 1);
break;
case WTNoTabsBevelBorder:
W_DrawRelief(scr, W_VIEW(tPtr)->window, 0, 0, W_VIEW(tPtr)->size.width,
W_VIEW(tPtr)->size.height, WRRaised);
break;
case WTNoTabsLineBorder:
W_DrawRelief(scr, W_VIEW(tPtr)->window, 0, 0, W_VIEW(tPtr)->size.width,
W_VIEW(tPtr)->size.height, WRSimple);
break;
case WTNoTabsNoBorder:
break;
}
if (tPtr->flags.type == WTTopTabsBevelBorder) {
buffer = XCreatePixmap(dpy, W_VIEW(tPtr)->window,
W_VIEW(tPtr)->size.width, tPtr->tabHeight,
W_VIEW(tPtr)->screen->depth);
XFillRectangle(dpy, buffer, WMColorGC(W_VIEW(tPtr)->backColor),
0, 0, W_VIEW(tPtr)->size.width, tPtr->tabHeight);
rect.pos.x = 8 + 15;
rect.pos.y = 2;
rect.size.width = tPtr->tabWidth;
rect.size.height = tPtr->tabHeight;
for (i = tPtr->itemCount - 1; i >= 0; i--) {
if (i != tPtr->selectedItem) {
drawTab(tPtr, buffer, 8 + (rect.size.width-10)*i, 0,
rect.size.width, rect.size.height, False);
}
}
drawTab(tPtr, buffer, 8 + (rect.size.width-10) * tPtr->selectedItem,
0, rect.size.width, rect.size.height, True);
XDrawLine(dpy, buffer, white, 0, tPtr->tabHeight - 1,
8, tPtr->tabHeight - 1);
XDrawLine(dpy, buffer, white,
8 + 10 + (rect.size.width-10) * tPtr->itemCount,
tPtr->tabHeight - 1, W_VIEW(tPtr)->size.width,
tPtr->tabHeight - 1);
for (i = 0; i < tPtr->itemCount; i++) {
W_DrawLabel(tPtr->items[i], buffer, rect);
rect.pos.x += rect.size.width - 10;
}
XCopyArea(dpy, buffer, W_VIEW(tPtr)->window, scr->copyGC, 0, 0,
W_VIEW(tPtr)->size.width, tPtr->tabHeight, 0, 0);
XFreePixmap(dpy, buffer);
}
}
static void
destroyTabView(TabView *tPtr)
{
int i;
for (i = 0; i < tPtr->itemCount; i++) {
WMDestroyTabViewItem(tPtr->items[i]);
}
free(tPtr->items);
WMReleaseColor(tPtr->lightGray);
WMReleaseColor(tPtr->tabColor);
WMReleaseFont(tPtr->font);
free(tPtr);
}
/******************************************************************/
typedef struct W_TabViewItem {
WMTabView *tabView;
W_View *view;
char *label;
int identifier;
struct {
unsigned visible:1;
} flags;
} TabViewItem;
static void
W_SetTabViewItemParent(WMTabViewItem *item, WMTabView *parent)
{
item->tabView = parent;
}
static void
W_DrawLabel(WMTabViewItem *item, Drawable d, WMRect rect)
{
WMScreen *scr = W_VIEW(item->tabView)->screen;
if (!item->label)
return;
WMDrawString(scr, d, WMColorGC(scr->black), item->tabView->font,
rect.pos.x, rect.pos.y, item->label, strlen(item->label));
}
static void
W_UnmapTabViewItem(WMTabViewItem *item)
{
wassertr(item->view);
W_UnmapView(item->view);
item->flags.visible = 0;
}
static void
W_MapTabViewItem(WMTabViewItem *item)
{
wassertr(item->view);
W_MapView(item->view);
item->flags.visible = 1;
}
static WMView*
W_TabViewItemView(WMTabViewItem *item)
{
return item->view;
}
WMTabViewItem*
WMCreateTabViewItemWithIdentifier(int identifier)
{
WMTabViewItem *item;
item = wmalloc(sizeof(WMTabViewItem));
memset(item, 0, sizeof(WMTabViewItem));
item->identifier = identifier;
return item;
}
void
WMSetTabViewItemLabel(WMTabViewItem *item, char *label)
{
if (item->label)
free(item->label);
item->label = wstrdup(label);
if (item->tabView)
recalcTabWidth(item->tabView);
}
char*
WMGetTabViewItemLabel(WMTabViewItem *item)
{
return item->label;
}
void
WMSetTabViewItemView(WMTabViewItem *item, WMView *view)
{
item->view = view;
}
WMView*
WMGetTabViewItemView(WMTabViewItem *item)
{
return item->view;
}
void
WMDestroyTabViewItem(WMTabViewItem *item)
{
if (item->label)
free(item->label);
if (item->view)
W_DestroyView(item->view);
free(item);
}