Cedric Roux
bff8e40d00
It's like a label but with fixed dimensions and maximum characters' capacity at creation time.
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
#include "gui.h"
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#include "gui_defs.h"
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#include "x.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void paint(gui *_gui, widget *_w)
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{
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struct gui *g = _gui;
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struct textarea_widget *t = _w;
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LOGD("PAINT textarea '%s'\n", t->t);
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x_fill_rectangle(g->x, g->xwin, BACKGROUND_COLOR,
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t->common.x, t->common.y,
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t->common.width, t->common.height);
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x_draw_clipped_string(g->x, g->xwin, DEFAULT_FONT, t->color,
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t->common.x + t->common.width - t->text_width,
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t->common.y + t->baseline, t->t,
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t->common.x, t->common.y,
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t->common.width, t->common.height);
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}
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static void hints(gui *_gui, widget *_w, int *width, int *height)
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{
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struct textarea_widget *t = _w;
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LOGD("HINTS textarea '%s'\n", t->t);
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*width = t->wanted_width;
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*height = t->wanted_height;
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}
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widget *new_textarea(gui *_gui, int width, int height, int maxsize)
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{
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struct gui *g = _gui;
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struct textarea_widget *w;
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int _;
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glock(g);
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w = new_widget(g, TEXTAREA, sizeof(struct textarea_widget));
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w->t = calloc(maxsize, 1);
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if (w->t == NULL) OOM;
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w->tmaxsize = maxsize;
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w->wanted_width = width;
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w->wanted_height = height;
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w->color = FOREGROUND_COLOR;
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w->text_width = 0;
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x_text_get_dimensions(g->x, DEFAULT_FONT, "jlM",
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&_, &_, &w->baseline);
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w->common.paint = paint;
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w->common.hints = hints;
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gunlock(g);
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return w;
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}
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/*************************************************************************/
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/* public functions */
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/*************************************************************************/
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void textarea_set_text(gui *_g, widget *_this, char *text)
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{
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struct gui *g = _g;
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struct textarea_widget *this = _this;
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int _;
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int len = strlen(text);
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if (len >= this->tmaxsize) {
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fprintf(stderr, "ERROR: string '%s' too big for textarea\n", text);
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return;
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}
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glock(g);
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strcpy(this->t, text);
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x_text_get_dimensions(g->x, DEFAULT_FONT, text,
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&this->text_width, &_, &this->baseline);
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send_event(g, DIRTY, this->common.id);
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gunlock(g);
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}
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