diff options
Diffstat (limited to 'fw/fe310/eos/eve/screen/form.c')
| -rw-r--r-- | fw/fe310/eos/eve/screen/form.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/fw/fe310/eos/eve/screen/form.c b/fw/fe310/eos/eve/screen/form.c new file mode 100644 index 0000000..8555158 --- /dev/null +++ b/fw/fe310/eos/eve/screen/form.c @@ -0,0 +1,165 @@ +#include <stdlib.h> +#include <string.h> + +#include "eve.h" +#include "eve_kbd.h" +#include "eve_font.h" + +#include "window.h" +#include "page.h" +#include "form.h" + +#include "widget/widgets.h" + +#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y)) +#define MAX(X, Y) (((X) > (Y)) ? (X) : (Y)) + +static void form_update_g(EVEForm *form, EVEWidget *_widget) { + EVEPage *page = &form->p; + EVEWidget *widget = page->widget; + int i; + uint16_t w = 0; + uint16_t h = 0; + uint16_t l_h = 0; + + for (i=0; i<page->widget_size; i++) { + if (widget->label) { + h += l_h; + w = widget->label->g.w; + l_h = widget->label->g.h; + widget->label->g.x = 0; + widget->label->g.y = h; + } + if (w + widget->g.w > form->p.v.window->g.w) { + h += l_h; + w = 0; + l_h = 0; + } + widget->g.x = w; + widget->g.y = h; + + w += widget->g.w; + l_h = MAX(l_h, widget->g.h); + + widget = eve_widget_next(widget); + } + page->g.w = page->v.window->g.w; + page->g.h = h + l_h; +} + +static void widgets_destroy(EVEWidget *widget, uint16_t widget_size) { + int i; + + for (i=0; i<widget_size; i++) { + if (widget->label) eve_free(widget->label); + eve_widget_destroy(widget); + widget = eve_widget_next(widget); + } +} + +EVEForm *eve_form_create(EVEWindow *window, EVEViewStack *stack, EVEWidgetSpec spec[], uint16_t spec_size, eve_form_uievt_t uievt, eve_form_action_t action, eve_form_destructor_t destructor) { + EVEWidget *widgets; + EVEWidget *widget; + EVELabel *label; + EVEForm *form; + int w_size = 0; + int i, r; + + for (i=0; i<spec_size; i++) { + w_size += eve_widget_size(spec[i].widget.type); + } + form = eve_malloc(sizeof(EVEForm)); + if (form == NULL) { + return NULL; + } + if (uievt == NULL) uievt = eve_form_uievt; + if (destructor == NULL) destructor = eve_form_destroy; + eve_form_init(form, window, stack, NULL, 0, uievt, action, destructor); + + widgets = eve_malloc(w_size); + if (widgets == NULL) { + eve_free(form); + return NULL; + } + + widget = widgets; + for (i=0; i<spec_size; i++) { + r = eve_widget_create(widget, spec[i].widget.type, &spec[i].widget.g, (EVEPage *)form, &spec[i].widget.spec); + if (r) { + widgets_destroy(widgets, i); + eve_free(widgets); + eve_free(form); + return NULL; + } + if (spec[i].label.title) { + EVEFont *font = spec[i].label.font ? spec[i].label.font : eve_window_font(window); + label = eve_malloc(sizeof(EVELabel)); + if (label == NULL) { + eve_widget_destroy(widget); + widgets_destroy(widgets, i); + eve_free(widgets); + eve_free(form); + return NULL; + } + eve_label_init(label, &spec[i].label.g, font, spec[i].label.title); + eve_widget_set_label(widget, label); + if (label->g.w == 0) label->g.w = eve_font_str_w(font, label->title); + } + if (widget->label && (widget->label->g.w == 0)) eve_font_str_w(label->font, label->title) + EVE_FORM_LABEL_MARGIN; + if (widget->g.w == 0) widget->g.w = window->g.w - (widget->label ? widget->label->g.w : 0); + widget = eve_widget_next(widget); + } + eve_form_update(form, widgets, spec_size); + + return form; +} + +void eve_form_init(EVEForm *form, EVEWindow *window, EVEViewStack *stack, EVEWidget *widget, uint16_t widget_size, eve_form_uievt_t uievt, eve_form_action_t action, eve_form_destructor_t destructor) { + memset(form, 0, sizeof(EVEForm)); + eve_page_init(&form->p, window, stack, NULL, 0, EVE_PAGE_OPT_SCROLL_Y | EVE_PAGE_OPT_SCROLL_BACK | EVE_PAGE_OPT_TRACK_EXT_Y, eve_page_draw, eve_page_touch, (eve_view_uievt_t)uievt, (eve_page_destructor_t)destructor); + form->action = action; + eve_form_update(form, widget, widget_size); +} + +void eve_form_update(EVEForm *form, EVEWidget *widget, uint16_t widget_size) { + eve_page_update((EVEPage *)form, widget, widget_size); + form_update_g(form, NULL); +} + +void eve_form_destroy(EVEForm *form) { + widgets_destroy(form->p.widget, form->p.widget_size); + eve_free(form->p.widget); + eve_free(form); +} + +int eve_form_uievt(EVEForm *form, uint16_t evt, void *param) { + switch (evt) { + case EVE_UIEVT_WIDGET_UPDATE_G: + form_update_g(form, (EVEWidget *)param); + break; + + case EVE_UIEVT_PAGE_SCROLL_START: + break; + + case EVE_UIEVT_PAGE_SCROLL_STOP: + break; + + case EVE_UIEVT_PAGE_TRACK_START: + break; + + case EVE_UIEVT_PAGE_TRACK_STOP: { + EVEUIEvtTouch *touch_p = (EVEUIEvtTouch *)param; + if (touch_p->evt & EVE_TOUCH_ETYPE_TRACK_STOP) { + if (touch_p->touch->eevt & EVE_TOUCH_EETYPE_TRACK_RIGHT) { + eve_page_close((EVEPage *)form); + return 1; + } + if (touch_p->touch->eevt & EVE_TOUCH_EETYPE_TRACK_LEFT) { + if (form->action) form->action(form); + } + } + break; + } + } + return 0; +} |