Thu, 12 Dec 2024 23:23:09 +0100
add text field widgets (Motif)
application/main.c | file | annotate | diff | comparison | revisions | |
ui/motif/text.c | file | annotate | diff | comparison | revisions | |
ui/motif/text.h | file | annotate | diff | comparison | revisions |
--- a/application/main.c Thu Dec 12 16:34:39 2024 +0100 +++ b/application/main.c Thu Dec 12 23:23:09 2024 +0100 @@ -490,9 +490,18 @@ printf("action_button\n"); } +typedef struct WData { + UiString *path; +} WData; + void application_startup(UiEvent *event, void *data) { UiObject *obj = ui_window("Test", NULL); + WData *wdata = ui_malloc(obj->ctx, sizeof(WData)); + wdata->path = ui_string_new(obj->ctx, NULL); + obj->window = wdata; + + /* ui_grid(obj, .margin = 10) { ui_button(obj, .label = "Test Button", .onclick = action_button); ui_newline(obj); @@ -528,8 +537,15 @@ } + */ + + //ui_textfield(obj, .varname = "textfield"); + //ui_textfield(obj, .varname = "textfield2"); + ui_path_textfield(obj, .value = wdata->path, .hfill = TRUE, .hexpand = TRUE); + + ui_set(wdata->path, "/test/path/string"); ui_show(obj);
--- a/ui/motif/text.c Thu Dec 12 16:34:39 2024 +0100 +++ b/ui/motif/text.c Thu Dec 12 23:23:09 2024 +0100 @@ -28,7 +28,596 @@ #include <stdio.h> #include <stdlib.h> +#include <unistd.h> #include "text.h" #include "container.h" +#include <cx/string.h> + + + +/* ------------------------------ Text Field ------------------------------ */ + +static UIWIDGET create_textfield(UiObject *obj, UiTextFieldArgs args, int frameless, int password) { + Arg xargs[16]; + int n = 0; + + if(frameless) { + XtSetArg(xargs[n], XmNshadowThickness, 0); + n++; + } + if(password) { + // TODO + } + + UiContainerPrivate *ctn = ui_obj_container(obj); + UI_APPLY_LAYOUT(ctn->layout, args); + + Widget parent = ctn->prepare(ctn, xargs, &n); + char *name = args.name ? (char*)args.name : "textfield"; + Widget textfield = XmCreateTextField(parent, name, xargs, n); + XtManageChild(textfield); + + ui_set_widget_groups(obj->ctx, textfield, args.groups); + + UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args.value, args.varname, UI_VAR_STRING); + if(var) { + UiString *value = (UiString*)var->value; + value->obj = textfield; + value->get = ui_textfield_get; + value->set = ui_textfield_set; + + if(value->value.ptr) { + ui_textfield_set(value, value->value.ptr); + } + } + + return textfield; +} + +UIWIDGET ui_textfield_create(UiObject *obj, UiTextFieldArgs args) { + return create_textfield(obj, args, FALSE, FALSE); +} + +UIWIDGET ui_frameless_textfield_create(UiObject* obj, UiTextFieldArgs args) { + return create_textfield(obj, args, TRUE, FALSE); +} + +UIWIDGET ui_passwordfield_create(UiObject* obj, UiTextFieldArgs args) { + return create_textfield(obj, args, FALSE, FALSE); +} + +char* ui_textfield_get(UiString *str) { + str->value.free(str->value.ptr); + char *value = XmTextFieldGetString(str->obj); + str->value.ptr = value; + str->value.free = (ui_freefunc)XtFree; + return value; +} + +void ui_textfield_set(UiString *str, const char *value) { + XmTextFieldSetString(str->obj, (void*)value); + str->value.ptr = NULL; + str->value.free(str->value.ptr); +} + + + + + +/* -------------------- path bar -------------------- */ + +#define XNECreateText(parent,name,args,count) XmCreateTextField(parent,name,args,count) +#define XNETextSetString(widget,value) XmTextFieldSetString(widget,value) +#define XNETextGetString(widget) XmTextFieldGetString(widget) +#define XNETextGetLastPosition(widget) XmTextFieldGetLastPosition(widget) +#define XNETextSetInsertionPosition(widget, i) XmTextFieldSetInsertionPosition(widget, i) +#define XNETextSetSelection(w, f, l, t) XmTextFieldSetSelection(w, f, l, t) + +typedef void(*updatedir_callback)(void*,char*); + +typedef struct PathBar { + Widget widget; + Widget textfield; + + Widget focus_widget; + + Widget left; + Widget right; + Dimension lw; + Dimension rw; + + int shift; + + Widget *pathSegments; + size_t numSegments; + size_t segmentAlloc; + + char *path; + int selection; + Boolean input; + + int focus; + + updatedir_callback updateDir; + void *updateDirData; +} PathBar; + +void PathBarSetPath(PathBar *bar, const char *path); + +void pathbar_resize(Widget w, PathBar *p, XtPointer d) +{ + Dimension width, height; + XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, NULL); + + Dimension *segW = (void*)XtCalloc(p->numSegments, sizeof(Dimension)); + + Dimension maxHeight = 0; + + /* get width/height from all widgets */ + Dimension pathWidth = 0; + for(int i=0;i<p->numSegments;i++) { + Dimension segWidth; + Dimension segHeight; + XtVaGetValues(p->pathSegments[i], XmNwidth, &segWidth, XmNheight, &segHeight, NULL); + segW[i] = segWidth; + pathWidth += segWidth; + if(segHeight > maxHeight) { + maxHeight = segHeight; + } + } + Dimension tfHeight; + XtVaGetValues(p->textfield, XmNheight, &tfHeight, NULL); + if(tfHeight > maxHeight) { + maxHeight = tfHeight; + } + + Boolean arrows = False; + if(pathWidth + 10 > width) { + arrows = True; + pathWidth += p->lw + p->rw; + } + + /* calc max visible widgets */ + int start = 0; + if(arrows) { + Dimension vis = p->lw+p->rw; + for(int i=p->numSegments;i>0;i--) { + Dimension segWidth = segW[i-1]; + if(vis + segWidth + 10 > width) { + start = i; + arrows = True; + break; + } + vis += segWidth; + } + } else { + p->shift = 0; + } + + int leftShift = 0; + if(p->shift < 0) { + if(start + p->shift < 0) { + leftShift = start; + start = 0; + p->shift = -leftShift; + } else { + leftShift = -p->shift; /* negative shift */ + start += p->shift; + } + } + + int x = 0; + if(arrows) { + XtManageChild(p->left); + XtManageChild(p->right); + x = p->lw; + } else { + XtUnmanageChild(p->left); + XtUnmanageChild(p->right); + } + + for(int i=0;i<p->numSegments;i++) { + if(i >= start && i < p->numSegments - leftShift && !p->input) { + XtVaSetValues(p->pathSegments[i], XmNx, x, XmNy, 0, XmNheight, maxHeight, NULL); + x += segW[i]; + XtManageChild(p->pathSegments[i]); + } else { + XtUnmanageChild(p->pathSegments[i]); + } + } + + if(arrows) { + XtVaSetValues(p->left, XmNx, 0, XmNy, 0, XmNheight, maxHeight, NULL); + XtVaSetValues(p->right, XmNx, x, XmNy, 0, XmNheight, maxHeight, NULL); + } + + free(segW); + + Dimension rw, rh; + XtMakeResizeRequest(w, width, maxHeight, &rw, &rh); + + XtVaSetValues(p->textfield, XmNwidth, rw, XmNheight, rh, NULL); +} + +static void pathbarActivateTF(PathBar *p) +{ + XtUnmanageChild(p->left); + XtUnmanageChild(p->right); + XNETextSetSelection(p->textfield, 0, XNETextGetLastPosition(p->textfield), 0); + XtManageChild(p->textfield); + p->input = 1; + + XmProcessTraversal(p->textfield, XmTRAVERSE_CURRENT); + + pathbar_resize(p->widget, p, NULL); +} + +void PathBarActivateTextfield(PathBar *p) +{ + p->focus = 1; + pathbarActivateTF(p); +} + +void pathbar_input(Widget w, PathBar *p, XtPointer c) +{ + XmDrawingAreaCallbackStruct *cbs = (XmDrawingAreaCallbackStruct*)c; + XEvent *xevent = cbs->event; + + if (cbs->reason == XmCR_INPUT) { + if (xevent->xany.type == ButtonPress) { + p->focus = 0; + pathbarActivateTF(p); + } + } +} + +void pathbar_losingfocus(Widget w, PathBar *p, XtPointer c) +{ + if(--p->focus < 0) { + p->input = False; + XtUnmanageChild(p->textfield); + } +} + +static cxmutstr concat_path_s(cxstring base, cxstring path) { + if(!path.ptr) { + path = CX_STR(""); + } + + int add_separator = 0; + if(base.length != 0 && base.ptr[base.length-1] == '/') { + if(path.ptr[0] == '/') { + base.length--; + } + } else { + if(path.length == 0 || path.ptr[0] != '/') { + add_separator = 1; + } + } + + cxmutstr url; + if(add_separator) { + url = cx_strcat(3, base, CX_STR("/"), path); + } else { + url = cx_strcat(2, base, path); + } + + return url; +} + +static char* ConcatPath(const char *path1, const char *path2) { + return concat_path_s(cx_str(path1), cx_str(path2)).ptr; +} + +void pathbar_pathinput(Widget w, PathBar *p, XtPointer d) +{ + char *newpath = XNETextGetString(p->textfield); + if(newpath) { + if(newpath[0] == '~') { + char *p = newpath+1; + char *home = getenv("HOME"); + char *cp = ConcatPath(home, p); + XtFree(newpath); + newpath = cp; + } else if(newpath[0] != '/') { + char curdir[2048]; + curdir[0] = 0; + getcwd(curdir, 2048); + char *cp = ConcatPath(curdir, newpath); + XtFree(newpath); + newpath = cp; + } + + /* update path */ + PathBarSetPath(p, newpath); + if(p->updateDir) { + p->updateDir(p->updateDirData, newpath); + } + XtFree(newpath); + + /* hide textfield and show path as buttons */ + XtUnmanageChild(p->textfield); + pathbar_resize(p->widget, p, NULL); + + if(p->focus_widget) { + XmProcessTraversal(p->focus_widget, XmTRAVERSE_CURRENT); + } + } +} + +void pathbar_shift_left(Widget w, PathBar *p, XtPointer d) +{ + p->shift--; + pathbar_resize(p->widget, p, NULL); +} + +void pathbar_shift_right(Widget w, PathBar *p, XtPointer d) +{ + if(p->shift < 0) { + p->shift++; + } + pathbar_resize(p->widget, p, NULL); +} + +static void pathTextEH(Widget widget, XtPointer data, XEvent *event, Boolean *dispatch) { + PathBar *pb = data; + if(event->type == KeyReleaseMask) { + if(event->xkey.keycode == 9) { + XtUnmanageChild(pb->textfield); + pathbar_resize(pb->widget, pb, NULL); + *dispatch = False; + } else if(event->xkey.keycode == 36) { + pathbar_pathinput(pb->textfield, pb, NULL); + *dispatch = False; + } + } +} + +PathBar* CreatePathBar(Widget parent, ArgList args, int n) +{ + PathBar *bar = (PathBar*)XtMalloc(sizeof(PathBar)); + bar->path = NULL; + bar->updateDir = NULL; + bar->updateDirData = NULL; + + bar->focus_widget = NULL; + + bar->shift = 0; + + XtSetArg(args[n], XmNmarginWidth, 0); n++; + XtSetArg(args[n], XmNmarginHeight, 0); n++; + bar->widget = XmCreateDrawingArea(parent, "pathbar", args, n); + XtAddCallback( + bar->widget, + XmNresizeCallback, + (XtCallbackProc)pathbar_resize, + bar); + XtAddCallback( + bar->widget, + XmNinputCallback, + (XtCallbackProc)pathbar_input, + bar); + + Arg a[4]; + XtSetArg(a[0], XmNshadowThickness, 0); + XtSetArg(a[1], XmNx, 0); + XtSetArg(a[2], XmNy, 0); + bar->textfield = XNECreateText(bar->widget, "pbtext", a, 3); + bar->input = 0; + XtAddCallback( + bar->textfield, + XmNlosingFocusCallback, + (XtCallbackProc)pathbar_losingfocus, + bar); + XtAddCallback(bar->textfield, XmNactivateCallback, + (XtCallbackProc)pathbar_pathinput, bar); + XtAddEventHandler(bar->textfield, KeyPressMask | KeyReleaseMask, FALSE, pathTextEH, bar); + + XtSetArg(a[0], XmNarrowDirection, XmARROW_LEFT); + bar->left = XmCreateArrowButton(bar->widget, "pbbutton", a, 1); + XtSetArg(a[0], XmNarrowDirection, XmARROW_RIGHT); + bar->right = XmCreateArrowButton(bar->widget, "pbbutton", a, 1); + XtAddCallback( + bar->left, + XmNactivateCallback, + (XtCallbackProc)pathbar_shift_left, + bar); + XtAddCallback( + bar->right, + XmNactivateCallback, + (XtCallbackProc)pathbar_shift_right, + bar); + + Pixel bg; + XtVaGetValues(bar->textfield, XmNbackground, &bg, NULL); + XtVaSetValues(bar->widget, XmNbackground, bg, NULL); + + XtManageChild(bar->left); + XtManageChild(bar->right); + + XtVaGetValues(bar->left, XmNwidth, &bar->lw, NULL); + XtVaGetValues(bar->right, XmNwidth, &bar->rw, NULL); + + bar->segmentAlloc = 16; + bar->numSegments = 0; + bar->pathSegments = (Widget*)XtCalloc(16, sizeof(Widget)); + + bar->selection = 0; + + return bar; +} + +void PathBarChangeDir(Widget w, PathBar *bar, XtPointer c) +{ + XmToggleButtonSetState(bar->pathSegments[bar->selection], False, False); + + for(int i=0;i<bar->numSegments;i++) { + if(bar->pathSegments[i] == w) { + bar->selection = i; + XmToggleButtonSetState(w, True, False); + break; + } + } + + int plen = strlen(bar->path); + int countSeg = 0; + for(int i=0;i<=plen;i++) { + char c = bar->path[i]; + if(c == '/' || c == '\0') { + if(countSeg == bar->selection) { + char *dir = XtMalloc(i+2); + memcpy(dir, bar->path, i+1); + dir[i+1] = '\0'; + if(bar->updateDir) { + bar->updateDir(bar->updateDirData, dir); + } + free(dir); + } + countSeg++; + } + } +} + +void PathBarSetPath(PathBar *bar, const char *path) +{ + if(bar->path) { + free(bar->path); + } + bar->path = strdup(path); + + for(int i=0;i<bar->numSegments;i++) { + XtDestroyWidget(bar->pathSegments[i]); + } + XtUnmanageChild(bar->textfield); + XtManageChild(bar->left); + XtManageChild(bar->right); + bar->input = False; + + Arg args[4]; + XmString str; + + bar->numSegments = 0; + + int i=0; + if(path[0] == '/') { + str = XmStringCreateLocalized("/"); + XtSetArg(args[0], XmNlabelString, str); + XtSetArg(args[1], XmNfillOnSelect, True); + XtSetArg(args[2], XmNindicatorOn, False); + bar->pathSegments[0] = XmCreateToggleButton( + bar->widget, "pbbutton", args, 3); + XtAddCallback( + bar->pathSegments[0], + XmNvalueChangedCallback, + (XtCallbackProc)PathBarChangeDir, + bar); + XmStringFree(str); + bar->numSegments++; + i++; + } + + int len = strlen(path); + int begin = i; + for(;i<=len;i++) { + char c = path[i]; + if((c == '/' || c == '\0') && i > begin) { + char *segStr = XtMalloc(i - begin + 1); + memcpy(segStr, path+begin, i-begin); + segStr[i-begin] = '\0'; + begin = i+1; + + str = XmStringCreateLocalized(segStr); + XtFree(segStr); + XtSetArg(args[0], XmNlabelString, str); + XtSetArg(args[1], XmNfillOnSelect, True); + XtSetArg(args[2], XmNindicatorOn, False); + Widget button = XmCreateToggleButton(bar->widget, "pbbutton", args, 3); + XtAddCallback( + button, + XmNvalueChangedCallback, + (XtCallbackProc)PathBarChangeDir, + bar); + XmStringFree(str); + + if(bar->numSegments >= bar->segmentAlloc) { + bar->segmentAlloc += 8; + bar->pathSegments = realloc(bar->pathSegments, bar->segmentAlloc * sizeof(Widget)); + } + + bar->pathSegments[bar->numSegments++] = button; + } + } + + bar->selection = bar->numSegments-1; + XmToggleButtonSetState(bar->pathSegments[bar->selection], True, False); + + XNETextSetString(bar->textfield, (char*)path); + XNETextSetInsertionPosition(bar->textfield, XNETextGetLastPosition(bar->textfield)); + + pathbar_resize(bar->widget, bar, NULL); +} + +void PathBarDestroy(PathBar *pathbar) { + if(pathbar->path) { + XtFree(pathbar->path); + } + XtFree((void*)pathbar->pathSegments); + XtFree((void*)pathbar); +} + + +/* ---------------------------- Path Text Field ---------------------------- */ + +static void destroy_pathbar(Widget w, XtPointer *data, XtPointer d) { + PathBar *pathbar = (PathBar*)data; + // TODO: check if there is somonething missing + XtFree((void*)pathbar->pathSegments); + XtFree((void*)pathbar); +} + +UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) { + Arg xargs[16]; + int n = 0; + + UiContainerPrivate *ctn = ui_obj_container(obj); + UI_APPLY_LAYOUT(ctn->layout, args); + + Widget parent = ctn->prepare(ctn, xargs, &n); + // TODO: name + + PathBar *pathbar = CreatePathBar(parent, xargs, n); + XtManageChild(pathbar->widget); + ctn->add(ctn, pathbar->widget); + + UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args.value, args.varname, UI_VAR_STRING); + if (var) { + UiString* value = (UiString*)var->value; + value->obj = pathbar; + value->get = ui_path_textfield_get; + value->set = ui_path_textfield_set; + + if(value->value.ptr) { + char *str = strdup(value->value.ptr); + ui_string_set(value, str); + free(str); + } + } + + XtAddCallback( + pathbar->widget, + XmNdestroyCallback, + (XtCallbackProc)destroy_pathbar, + pathbar); + + return pathbar->widget; +} + +char* ui_path_textfield_get(UiString *str) { + +} + +void ui_path_textfield_set(UiString *str, const char *value) { + PathBarSetPath(str->obj, value); +}
--- a/ui/motif/text.h Thu Dec 12 16:34:39 2024 +0100 +++ b/ui/motif/text.h Thu Dec 12 23:23:09 2024 +0100 @@ -37,6 +37,13 @@ extern "C" { #endif +char* ui_textfield_get(UiString *str); +void ui_textfield_set(UiString *str, const char *value); + +char* ui_path_textfield_get(UiString *str); +void ui_path_textfield_set(UiString *str, const char *value); + + #ifdef __cplusplus } #endif