gui2: started working on autolayout.

avr/modules/lcd2/gui2/base/layout.asm

@@ -0,0 +1,223 @@
+; ***************************************************************************
+; copyright   : (C) 2026 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+#ifndef AQH_AVR_GUI2_LAYOUT_ASM
+#define AQH_AVR_GUI2_LAYOUT_ASM
+
+
+; ***************************************************************************
+; defines
+
+
+
+
+; ***************************************************************************
+; code
+
+.cseg
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Layout_SetDefaultWidths
+;
+; Set defaultWidth in WIDGET_OFFS_TMP_LO/HI
+;
+; @param Y pointer to widget
+; @clobbers any, !Y
+
+Layout_SetDefaultWidths:
+  push yl
+    push yh
+      bigcall OBJ_GetFirstChild
+Layout_SetDefaultWidths_loop:
+        brcc Layout_SetDefaultWidths_ret
+        mov yl, r18
+        mov yh, r19
+        bigcall Widget_GetDefaultWidth
+        std Y+WIDGET_OFFS_TMP_LO, r18
+        std Y+WIDGET_OFFS_TMP_HI, r19
+        rcall OBJ_GetNext
+      rjmp Layout_SetDefaultWidths_loop
+Layout_SetDefaultWidths_ret:
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Layout_SetDefaultHeights
+;
+; @param Y pointer to widget
+; @clobbers any, !Y
+
+Layout_SetDefaultHeights:
+  push yl
+    push yh
+      bigcall OBJ_GetFirstChild
+Layout_SetDefaultHeights_loop:
+        brcc Layout_SetDefaultHeights_ret
+        mov yl, r18
+        mov yh, r19
+        bigcall Widget_GetDefaultHeight
+        std Y+WIDGET_OFFS_TMP_LO, r18
+        std Y+WIDGET_OFFS_TMP_HI, r19
+        rcall OBJ_GetNext
+      rjmp Layout_SetDefaultHeights_loop
+Layout_SetDefaultHeights_ret:
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Layout_SumTmpValues
+;
+; @param Y pointer to widget
+; @return r19:r18 total width of all child widgets plus space between
+; @clobbers r16, r17, r18, r19, r20, r21, r22, r23, Z
+
+Layout_SumTmpValues:
+  ldd zl, Y+WIDGET_OFFS_STYLE_LO
+  ldd zh, Y+WIDGET_OFFS_STYLE_HI
+
+  ; get spacing
+  adiw zh:zl, WIDGET_STYLE_OFFS_SPACING
+  lpm r22, Z
+  sbiw zh:zl, WIDGET_STYLE_OFFS_SPACING
+  ; get outer border
+  adiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
+  lpm r23, Z
+  sbiw zh:zl, WIDGET_STYLE_OFFS_OUTERBORDERSIZE
+  ; start adding
+  clr r20
+  clr r21
+  push yl
+    push yh
+      bigcall OBJ_GetFirstChild
+Layout_SumTmpValues_loop:
+        brcc Layout_SumTmpValues_loopEnd
+        mov yl, r18
+        mov yh, r19
+
+        ldd r18, Y+WIDGET_OFFS_TMP_LO
+        ldd r19, Y+WIDGET_OFFS_TMP_HI
+        add r20, r18    ; add widget size
+        adc r21, r19
+        add r20, r22    ; add spacing
+        adc r20, r22
+        sub r20, r22
+        rcall OBJ_GetNext
+      rjmp Layout_SumTmpValues_loop
+Layout_SumTmpValues_loopEnd:
+    mov r16, r20
+    or r16, r21
+    breq Layout_SumTmpValues_done
+    sub r20, r22   ; sub last spacing
+    sbc r21, r22
+    add r21, r22
+    add r20, r23   ; add outer border (begin)
+    adc r21, r23
+    sub r21, r23
+    add r20, r23   ; add outer border (end)
+    adc r21, r23
+    sub r21, r23
+Layout_SumTmpValues_done:
+    mov r18, r20
+    mov r19, r21
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Layout_GetMaxTmp
+;
+; @param Y pointer to widget
+; @return r19:r18 maximum value in WIDGET_OFFS_TMP_LO/HI of children
+; @clobbers any, !Y
+
+Layout_GetMaxTmp:
+  clr r20
+  clr r21
+  push yl
+    push yh
+      bigcall OBJ_GetFirstChild
+Layout_GetMaxTmp_loop:
+        brcc Layout_GetMaxTmp_ret
+        mov yl, r18
+        mov yh, r19
+        ldd r18, Y+WIDGET_OFFS_TMP_LO
+        ldd r19, Y+WIDGET_OFFS_TMP_HI
+        ; max
+        cp r20, r18
+        cpc r21, r19
+        brcc Layout_GetMaxTmp_next
+        mov r20, r18
+        mov r21, r19
+Layout_GetMaxTmp_next:
+        rcall OBJ_GetNext
+      rjmp Layout_GetMaxTmp_loop
+Layout_GetMaxTmp_ret:
+      mov r18, r20
+      mov r19, r21
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Layout_AddToTmpOfFillXChildren
+;
+; @param Y pointer to widget
+; @param R21:R20 value to add to tmp value of expandable widgets
+; @param r22 mask for OBJECT_OFFS_OPTS_LO (e.g. 1<<WIDGET_OPTSLO_FILLX_BIT)
+
+Layout_AddToTmpOfFillXChildren:
+  clr r16
+  push yl
+    push yh
+      bigcall OBJ_GetFirstChild
+Layout_AddToTmpOfFillXChildren_loop:
+        brcc Layout_AddToTmpOfFillXChildren_done
+        mov yl, r18
+        mov yh, r19
+        ldd r17, Y+OBJECT_OFFS_OPTS_LO
+        and r17, r22
+        breq Layout_AddToTmpOfFillXChildren_next
+        ldd r16, Y+WIDGET_OFFS_TMP_LO
+        ldd r17, Y+WIDGET_OFFS_TMP_HI
+        add r16, r20
+        adc r17, r21
+        std Y+WIDGET_OFFS_TMP_LO, r16
+        std Y+WIDGET_OFFS_TMP_HI, r17
+Layout_AddToTmpOfFillXChildren_next:
+        rcall OBJ_GetNext
+      rjmp Layout_AddToTmpOfFillXChildren_loop
+Layout_AddToTmpOfFillXChildren_done:
+    pop yh
+  pop yl
+  ret
+; @end
+
+
+
+
+
+
+#endif
+