#include <stdlib.h>
#include <string.h>
#include "wm.h"
+#include <acess/sys.h> // _SysDebug
// === IMPORTS ===
-extern void Decorator_RenderWidget(tElement *Element);
extern void Video_GetTextDims(tFont *Font, const char *Text, int *W, int *H);
// === PROTOTYPES ===
+tApplication *AxWin_RegisterClient(tIPC_Type *IPCType, void *Ident, const char *Name);
+void AxWin_DeregisterClient(tApplication *App);
+tApplication *AxWin_GetClient(tIPC_Type *Method, void *Ident);
tElement *AxWin_CreateElement(tElement *Parent, int Type, int Flags, const char *DebugName);
void AxWin_DeleteElement(tElement *Element);
void AxWin_SetFlags(tElement *Element, int Flags);
void AxWin_SetSize(tElement *Element, int Size);
void AxWin_SetText(tElement *Element, const char *Text);
-void WM_UpdateMinDims(tElement *Element);
-void WM_UpdateDimensions(tElement *Element, int Pass);
-void WM_UpdatePosition(tElement *Element);
-void WM_RenderWidget(tElement *Element);
-void WM_Update(void);
// === GLOBALS ===
+// - TODO: Handle windows by having multiple root elements
tElement gWM_RootElement = {
.DebugName = "ROOT"
};
+tApplication *gWM_Applications;
+
+// --- Element type flags
struct {
void (*Init)(tElement *This);
+ void (*Delete)(tElement *This);
void (*UpdateFlags)(tElement *This);
void (*UpdateSize)(tElement *This);
void (*UpdateText)(tElement *This);
} gaWM_WidgetTypes[MAX_ELETYPES] = {
- {NULL, NULL, NULL, NULL}, // NULL
- {NULL, NULL, NULL, NULL} // Box
+ {NULL, NULL, NULL, NULL, NULL}, // NULL
+ {NULL, NULL, NULL, NULL, NULL}, // Window
+ {NULL, NULL, NULL, NULL, NULL} // Box
};
+const int ciWM_NumWidgetTypes = sizeof(gaWM_WidgetTypes)/sizeof(gaWM_WidgetTypes[0]);
// === CODE ===
+tApplication *AxWin_RegisterClient(tIPC_Type *Method, void *Ident, const char *Name)
+{
+ int identlen = Method->GetIdentSize(Ident);
+ // Structure, empty string, Name, Ident
+ tApplication *ret = calloc( 1, sizeof(tApplication) + 1 + strlen(Name) + 1 + identlen );
+
+ // DebugName is empty
+
+ // Name/Title
+ ret->Name = &ret->MetaElement.DebugName[1];
+ strcpy(ret->Name, Name);
+ // Ident
+ ret->Ident = ret->Name + strlen(Name) + 1;
+ memcpy(ret->Ident, Ident, identlen);
+ // IPC Type
+ ret->IPCType = Method;
+
+ // Element index
+ ret->MaxElementIndex = DEFAULT_ELEMENTS_PER_APP;
+ ret->EleIndex = calloc( 1, ret->MaxElementIndex * sizeof(*ret->EleIndex) );
+
+ // Add to global list
+ ret->Next = gWM_Applications;
+ gWM_Applications = ret;
+
+ // TODO: Inform listeners of the new application
+
+ return ret;
+}
+
+void AxWin_DeregisterClient(tApplication *App)
+{
+ // TODO: Complete implementing DeregisterClient
+ tElement *win, *next;
+
+ for( win = App->MetaElement.FirstChild; win; win = next )
+ {
+ next = win->NextSibling;
+ AxWin_DeleteElement(win);
+ }
+
+ // TODO: Inform listeners of deleted application
+
+ // Remove from list
+ {
+ tApplication *app, *prev = NULL;
+ for( app = gWM_Applications; app; app = app->Next )
+ {
+ if( app == App ) break;
+ prev = app;
+ }
+
+ if( app )
+ {
+ if(prev)
+ prev->Next = App->Next;
+ else
+ gWM_Applications = App->Next;
+ }
+ }
+
+ free(App);
+}
+
+/**
+ * \brief Get an application handle from a client identifier
+ */
+tApplication *AxWin_GetClient(tIPC_Type *Method, void *Ident)
+{
+ // TODO: Faster and smarter technique
+ tApplication *app;
+ for( app = gWM_Applications; app; app = app->Next )
+ {
+ if( app->IPCType != Method ) continue;
+ if( Method->CompareIdent( app->Ident, Ident ) != 0 ) continue;
+ return app;
+ }
+ return NULL;
+}
+
+tElement *AxWin_CreateAppWindow(tApplication *App, const char *Name)
+{
+ tElement *ret;
+
+ ret = AxWin_CreateElement(&App->MetaElement, ELETYPE_WINDOW, 0, NULL);
+ ret->Text = strdup(Name);
+ return ret;
+}
+
// --- Widget Creation and Control ---
tAxWin_Element *AxWin_CreateElement(tElement *Parent, int Type, int Flags, const char *DebugName)
{
ret->PaddingT = 2;
ret->PaddingB = 2;
- if( gaWM_WidgetTypes[Type].Init )
+ if( Type < ciWM_NumWidgetTypes && gaWM_WidgetTypes[Type].Init )
gaWM_WidgetTypes[Type].Init(ret);
WM_UpdateMinDims(ret->Parent);
}
/**
- * \brief
+ * \brief Delete an element
*/
void AxWin_DeleteElement(tElement *Element)
{
+ tElement *child, *next;
+
+ for(child = Element->FirstChild; child; child = next)
+ {
+ next = child->NextSibling;
+ AxWin_DeleteElement(child);
+ }
+
// TODO: Implement AxWin_DeleteElement
+ // TODO: Clean up related data.
+ if( Element->Type < ciWM_NumWidgetTypes && gaWM_WidgetTypes[Element->Type].Delete )
+ gaWM_WidgetTypes[Element->Type].Delete(Element);
+
+ if(Element->Owner)
+ Element->Owner->EleIndex[ Element->ApplicationID ] = NULL;
+
+ Element->Type = 0;
+ Element->Owner = 0;
+ Element->Flags = 0;
+
+ free(Element);
}
/**
return ;
}
+/**
+ * \brief Set the fixed lenghthways size of an element
+ */
void AxWin_SetSize(tElement *Element, int Size)
{
if(!Element) return ;
}
}
break;
+ default: // Any other, no special case
+ break ;
}
return ;
}
-
-// --- Pre-Rendering ---
-/**
- * \name Pre-Rendering
- * \brief Updates the element positions and sizes
- * \{
- */
-/**
- * \brief Updates the dimensions of an element
- *
- * The dimensions of an element are calculated from the parent's
- * cross dimension (the side at right angles to the alignment) sans some
- * padding.
- */
-void WM_UpdateDimensions(tElement *Element, int Pass)
-{
- tElement *child;
- int nChildren = 0;
- int nFixed = 0;
- int maxCross = 0;
- int fixedSize = 0;
- int fullCross, dynWith;
-
- _SysDebug("WM_UpdateDimensions %p'%s'", Element, Element->DebugName);
- _SysDebug(" -> Flags = 0x%x", Element->Flags);
- _SysDebug(" ->CachedH = %i, ->PaddingT = %i, ->PaddingB = %i",
- Element->CachedH, Element->PaddingT, Element->PaddingB
- );
- _SysDebug(" ->CachedW = %i, ->PaddingL = %i, ->PaddingR = %i",
- Element->CachedW, Element->PaddingL, Element->PaddingR
- );
-
- // Pass 1
- for( child = Element->FirstChild; child; child = child->NextSibling )
- {
- if( child->Flags & ELEFLAG_ABSOLUTEPOS )
- continue ;
-
- _SysDebug(" > %p'%s' ->FixedWith = %i", child, child->DebugName, child->FixedWith);
- if( child->FixedWith )
- {
- nFixed ++;
- fixedSize += child->FixedWith;
- }
-
- if( child->FixedCross && maxCross < child->FixedCross )
- maxCross = child->FixedCross;
- if( child->MinCross && maxCross < child->MinCross )
- maxCross = child->MinCross;
- nChildren ++;
- }
-
- _SysDebug(" - nChildren = %i, nFixed = %i", Element, nChildren, nFixed);
- if( nChildren > nFixed ) {
- if( Element->Flags & ELEFLAG_VERTICAL )
- dynWith = Element->CachedH - Element->PaddingT
- - Element->PaddingB;
- else
- dynWith = Element->CachedW - Element->PaddingL
- - Element->PaddingR;
- dynWith -= fixedSize;
- if( dynWith < 0 ) return ;
- dynWith /= nChildren - nFixed;
- _SysDebug(" - dynWith = %i", dynWith);
- }
-
- if( Element->Flags & ELEFLAG_VERTICAL )
- fullCross = Element->CachedW - Element->PaddingL - Element->PaddingR;
- else
- fullCross = Element->CachedH - Element->PaddingT - Element->PaddingB;
-
- _SysDebug(" - fullCross = %i", Element, fullCross);
-
- // Pass 2 - Set sizes and recurse
- for( child = Element->FirstChild; child; child = child->NextSibling )
- {
- int cross, with;
-
- _SysDebug(" > %p'%s' ->MinCross = %i", child, child->DebugName, child->MinCross);
-
-
- // --- Cross Size ---
- if( child->FixedCross )
- cross = child->FixedCross;
- // Expand to fill?
- // TODO: Extra flag so options are (Expand, Equal, Wrap)
- else if( child->Flags & ELEFLAG_NOEXPAND )
- cross = child->MinCross;
- else
- cross = fullCross;
- _SysDebug(" > %p'%s' - cross = %i", child, child->DebugName, cross);
- if( Element->Flags & ELEFLAG_VERTICAL )
- child->CachedW = cross;
- else
- child->CachedH = cross;
-
- // --- With Size ---
- if( child->FixedWith)
- with = child->FixedWith;
- else if( child->Flags & ELEFLAG_NOSTRETCH )
- with = child->MinWith;
- else
- with = dynWith;
- _SysDebug(" > %p'%s' - with = %i", child, child->DebugName, with);
- if( Element->Flags & ELEFLAG_VERTICAL )
- child->CachedH = with;
- else
- child->CachedW = with;
-
- WM_UpdateDimensions(child, 0);
- }
-
- _SysDebug("%p'%s' Done", Element, Element->DebugName);
-}
-
-/**
- * \brief Updates the position of an element
- *
- * The parent element sets the positions of its children
- */
-void WM_UpdatePosition(tElement *Element)
-{
- tElement *child;
- int x, y;
- static int depth = 0;
- char indent[depth+1];
-
- if( Element->Flags & ELEFLAG_NORENDER ) return ;
-
- memset(indent, ' ', depth);
- indent[depth] = '\0';
- depth ++;
-
- _SysDebug("%sWM_UpdatePosition %p'%s'{PaddingL:%i, PaddingT:%i}",
- indent, Element, Element->DebugName, Element->PaddingL, Element->PaddingT);
-
- // Initialise
- x = Element->CachedX + Element->PaddingL;
- y = Element->CachedY + Element->PaddingT;
-
- _SysDebug("%s- Alignment = %s", indent,
- (Element->Flags & ELEFLAG_VERTICAL) ? "vertical" : "horizontal");
-
- // Update each child
- for(child = Element->FirstChild; child; child = child->NextSibling)
- {
- _SysDebug("%s- x = %i, y = %i", indent, x, y);
- child->CachedX = x;
- child->CachedY = y;
-
- // Set Alignment
- if( Element->Flags & ELEFLAG_ALIGN_CENTER ) {
- _SysDebug("%sChild being aligned to center", indent);
- if(Element->Flags & ELEFLAG_VERTICAL)
- child->CachedX += Element->CachedW/2 - child->CachedW/2;
- else
- child->CachedY += Element->CachedH/2 - child->CachedH/2;
- }
- else if( Element->Flags & ELEFLAG_ALIGN_END) {
- _SysDebug("%sChild being aligned to end", indent);
- if(Element->Flags & ELEFLAG_VERTICAL )
- child->CachedX += Element->CachedW
- - Element->PaddingL - Element->PaddingR
- - child->CachedW;
- else
- child->CachedY += Element->CachedH
- - Element->PaddingT
- - Element->PaddingB
- - child->CachedH;
- }
-
- _SysDebug("%s> %p'%s' at (%i,%i)", indent, child, child->DebugName,
- child->CachedX, child->CachedY);
-
- // Update child's children positions
- WM_UpdatePosition(child);
-
- // Increment
- if(Element->Flags & ELEFLAG_VERTICAL ) {
- y += child->CachedH + Element->GapSize;
- }
- else {
- x += child->CachedW + Element->GapSize;
- }
- }
-
- _SysDebug("%sElement %p'%s' (%i,%i)",
- indent, Element, Element->DebugName, Element->CachedX, Element->CachedY
- );
- depth --;
-}
-
-/**
- * \brief Update the minimum dimensions of the element
- * \note Called after a child's minimum dimensions have changed
- */
-void WM_UpdateMinDims(tElement *Element)
-{
- tElement *child;
-
- if(!Element) return;
-
- Element->MinCross = 0;
- Element->MinWith = 0;
-
- for(child = Element->FirstChild; child; child = child->NextSibling)
- {
- if( Element->Parent &&
- (Element->Flags & ELEFLAG_VERTICAL) == (Element->Parent->Flags & ELEFLAG_VERTICAL)
- )
- {
- if(child->FixedCross)
- Element->MinCross += child->FixedCross;
- else
- Element->MinCross += child->MinCross;
- if(child->FixedWith)
- Element->MinWith += child->FixedWith;
- else
- Element->MinWith += child->MinWith;
- }
- else
- {
- if(child->FixedCross)
- Element->MinWith += child->FixedCross;
- else
- Element->MinWith += child->MinCross;
- if(child->FixedWith)
- Element->MinCross += child->FixedWith;
- else
- Element->MinCross += child->MinWith;
- }
- }
-
- // Recurse upwards
- WM_UpdateMinDims(Element->Parent);
-}
-/**
- * \}
- */
-
-// --- Render ---
-void WM_RenderWidget(tElement *Element)
-{
- tElement *child;
-
- if( Element->Flags & ELEFLAG_NORENDER ) return ;
- if( Element->Flags & ELEFLAG_INVISIBLE ) return ;
-
- Decorator_RenderWidget(Element);
-
- for(child = Element->FirstChild; child; child = child->NextSibling)
- {
- WM_RenderWidget(child);
- }
-}
-
-void WM_Update(void)
-{
- gWM_RootElement.CachedX = 0; gWM_RootElement.CachedY = 0;
- gWM_RootElement.CachedW = giScreenWidth;
- gWM_RootElement.CachedH = giScreenHeight;
- gWM_RootElement.Flags |= ELEFLAG_NOEXPAND|ELEFLAG_ABSOLUTEPOS|ELEFLAG_FIXEDSIZE;
-
- WM_UpdateDimensions( &gWM_RootElement, 0 );
- WM_UpdatePosition( &gWM_RootElement );
- WM_RenderWidget( &gWM_RootElement );
-
- Video_Update();
-}
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