mirror of
https://github.com/0intro/wmii
synced 2024-11-22 22:02:30 +03:00
391 lines
9.9 KiB
C
391 lines
9.9 KiB
C
/* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include "wmii.h"
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#include <stdlib.h>
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#include <string.h>
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char *
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str_of_column_mode(int mode) {
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switch(mode) {
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case Coldefault: return "default"; break;
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case Colstack: return "stack"; break;
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case Colmax: return "max"; break;
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default: break;
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}
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return NULL;
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}
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int
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column_mode_of_str(char *arg) {
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if(!strncmp("default", arg, 8))
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return Coldefault;
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if(!strncmp("stack", arg, 6))
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return Colstack;
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if(!strncmp("max", arg, 4))
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return Colmax;
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return -1;
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}
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static void
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relax_column(Area *a) {
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unsigned int frame_size, yoff, h;
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Frame *f;
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int hdiff;
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Bool fallthrough = False;
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if(!a->frame)
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return;
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frame_size = 0;
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for(f=a->frame; f; f=f->anext)
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frame_size++;
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switch(a->mode) {
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case Coldefault:
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h = a->rect.height / frame_size;
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if(h < 2 * labelh(&def.font))
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fallthrough = True;
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break;
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case Colstack:
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h = a->rect.height - (frame_size - 1) * labelh(&def.font);
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if(h < 3 * labelh(&def.font))
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fallthrough = True;
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default:
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yoff = a->rect.y;
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break;
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}
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if(fallthrough) {
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for(f=a->frame; f; f=f->anext) {
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f->rect.x = a->rect.x + (a->rect.width - f->rect.width) / 2;
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f->rect.y = a->rect.y + (a->rect.height - f->rect.height) / 2;
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//resize_client(f->client, &f->rect, True);
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}
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return;
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}
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/* some relaxing from potential increment gaps */
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h = 0;
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for(f=a->frame; f; f=f->anext) {
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if(a->mode == Colmax) {
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if(h < f->rect.height)
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h = f->rect.height;
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}
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else
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h += f->rect.height;
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}
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hdiff = a->rect.height - h;
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if((a->mode == Coldefault) && (hdiff > 0)) {
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int hx;
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for(hx = 1; hx < hdiff; hx++)
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for(f=a->frame; f && (hx < hdiff); f=f->anext) {
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unsigned int tmp = f->rect.height;
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f->rect.height += hx;
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//resize_client(f->client, &f->rect, True);
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hdiff -= (f->rect.height - tmp);
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}
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}
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if(hdiff < 0)
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hdiff = 0;
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hdiff /= frame_size;
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yoff = a->rect.y + hdiff / 2;
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for(f=a->frame; f; f=f->anext) {
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f->rect.y = yoff;
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if(a->mode != Colmax || f == a->sel) {
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f->rect.x = a->rect.x + (a->rect.width - f->rect.width) / 2;
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yoff = f->rect.y + f->rect.height + hdiff;
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}
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//resize_client(f->client, &f->rect, True);
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}
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}
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void
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scale_column(Area *a, float h) {
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unsigned int yoff, frame_size = 0;
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Frame *f;
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unsigned int min_height = 2 * labelh(&def.font);
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float scale, dy = 0;
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int hdiff;
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if(!a->frame)
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return;
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for(f=a->frame; f; f=f->anext, frame_size++)
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dy += f->rect.height;
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scale = h / dy;
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yoff = 0;
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for(f=a->frame; f; f=f->anext) {
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f->rect.height *= scale;
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if(!f->anext)
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f->rect.height = h - yoff;
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yoff += f->rect.height;
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}
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/* min_height can only be respected when there is enough space; the caller should guarantee this */
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if(frame_size * min_height > h)
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return;
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yoff = 0;
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for(f=a->frame, frame_size--; f; f=f->anext, frame_size--) {
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if(f->rect.height < min_height)
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f->rect.height = min_height;
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else if((hdiff = yoff + f->rect.height - h + frame_size * min_height) > 0)
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f->rect.height -= hdiff;
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if(!f->anext)
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f->rect.height = h - yoff;
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yoff += f->rect.height;
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}
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}
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void
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arrange_column(Area *a, Bool dirty) {
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Frame *f;
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unsigned int num_frames = 0, yoff = a->rect.y, h;
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unsigned int min_height = 2 * labelh(&def.font);
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if(a->floating || !a->frame)
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return;
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for(f=a->frame; f; f=f->anext)
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num_frames++;
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switch(a->mode) {
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case Coldefault:
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h = a->rect.height / num_frames;
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if(h < min_height)
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goto Fallthrough;
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if(dirty) {
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for(f=a->frame; f; f=f->anext)
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f->rect.height = h;
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}
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scale_column(a, a->rect.height);
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for(f=a->frame; f; f=f->anext) {
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f->rect.x = a->rect.x;
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f->rect.y = yoff;
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f->rect.width = a->rect.width;
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yoff += f->rect.height;
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//resize_client(f->client, &f->rect, True);
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}
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break;
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case Colstack:
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h = a->rect.height - (num_frames - 1) * labelh(&def.font);
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if(h < 3 * labelh(&def.font))
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goto Fallthrough;
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for(f=a->frame; f; f=f->anext) {
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f->rect = a->rect;
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f->rect.y = yoff;
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if(f == a->sel)
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f->rect.height = h;
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else
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f->rect.height = labelh(&def.font);
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yoff += f->rect.height;
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//resize_client(f->client, &f->rect, True);
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}
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break;
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Fallthrough:
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case Colmax:
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for(f=a->frame; f; f=f->anext) {
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f->rect = a->rect;
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if(f != a->sel) f->rect.x = screen->rect.width * 2;
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//resize_client(f->client, &f->rect, True);
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}
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break;
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default:
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break;
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}
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relax_column(a);
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flush_masked_events(EnterWindowMask);
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}
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static void
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match_horiz(Area *a, XRectangle *r) {
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Frame *f;
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for(f=a->frame; f; f=f->anext) {
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f->rect.x = r->x;
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f->rect.width = r->width;
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//resize_client(f->client, &f->rect, True);
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}
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}
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static void
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drop_resize(Frame *f, XRectangle *new) {
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Area *west = NULL, *east = NULL, *a = f->area;
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View *v = a->view;
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Frame *north = NULL, *south = NULL;
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unsigned int min_height = 2 * labelh(&def.font);
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unsigned int min_width = screen->rect.width/NCOL;
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for(west=v->area->next; west && west->next != a; west=west->next);
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/* first managed area is indexed 1, thus (i > 1) ? ... */
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east = a->next;
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for(north=a->frame; north && north->anext != f; north=north->anext);
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south = f->anext;
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/* validate (and trim if necessary) horizontal resize */
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if(new->width < min_width) {
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if(new->x + new->width == f->rect.x + f->rect.width)
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new->x = a->rect.x + a->rect.width - min_width;
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new->width = min_width;
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}
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if(west && (new->x != f->rect.x)) {
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if(new->x < 0 || new->x < (west->rect.x + min_width)) {
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new->width -= (west->rect.x + min_width) - new->x;
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new->x = west->rect.x + min_width;
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}
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} else {
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new->width += new->x - a->rect.x;
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new->x = a->rect.x;
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}
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if(east && (new->x + new->width != f->rect.x + f->rect.width)) {
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if((new->x + new->width) > (east->rect.x + east->rect.width - min_width))
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new->width = (east->rect.x + east->rect.width - min_width) - new->x;
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} else
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new->width = (a->rect.x + a->rect.width) - new->x;
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if(new->width < min_width)
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goto AfterHorizontal;
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/* horizontal resize */
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if(west && (new->x != a->rect.x)) {
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west->rect.width = new->x - west->rect.x;
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a->rect.width += a->rect.x - new->x;
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a->rect.x = new->x;
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match_horiz(a, &a->rect);
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match_horiz(west, &west->rect);
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relax_column(west);
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}
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if(east && (new->x + new->width != a->rect.x + a->rect.width)) {
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east->rect.width -= new->x + new->width - east->rect.x;
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east->rect.x = new->x + new->width;
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a->rect.width = (new->x + new->width) - a->rect.x;
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match_horiz(a, &a->rect);
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match_horiz(east, &east->rect);
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relax_column(east);
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}
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AfterHorizontal:
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/* skip vertical resize unless the column is in equal mode */
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if(a->mode != Coldefault)
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goto AfterVertical;
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/* validate (and trim if necessary) vertical resize */
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if(new->height < min_height) {
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if(f->rect.height < min_height
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&& (new->y == f->rect.y || new->y + new->height == f->rect.y + f->rect.height))
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goto AfterVertical;
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if(new->y + new->height == f->rect.y + f->rect.height)
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new->y = f->rect.y + f->rect.height - min_height;
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new->height = min_height;
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}
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if(north && (new->y != f->rect.y))
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if(new->y < 0 || new->y < (north->rect.y + min_height)) {
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new->height -= (north->rect.y + min_height) - new->y;
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new->y = north->rect.y + min_height;
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}
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if(south && (new->y + new->height != f->rect.y + f->rect.height)) {
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if((new->y + new->height) > (south->rect.y + south->rect.height - min_height))
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new->height = (south->rect.y + south->rect.height - min_height) - new->y;
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}
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if(new->height < min_height)
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goto AfterVertical;
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/* vertical resize */
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if(north && (new->y != f->rect.y)) {
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north->rect.height = new->y - north->rect.y;
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f->rect.height += f->rect.y - new->y;
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f->rect.y = new->y;
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//resize_client(north->client, &north->rect, True);
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//resize_client(f->client, &f->rect, True);
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}
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if(south && (new->y + new->height != f->rect.y + f->rect.height)) {
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south->rect.height -= new->y + new->height - south->rect.y;
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south->rect.y = new->y + new->height;
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f->rect.y = new->y;
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f->rect.height = new->height;
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//resize_client(f->client, &f->rect, False);
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//resize_client(south->client, &south->rect, True);
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}
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AfterVertical:
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relax_column(a);
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focus_view(screen, v);
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}
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static Frame *
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frame_of_point(XPoint *pt) {
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Area *a;
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View *v = screen->sel;
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Frame *f = NULL;
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if(!v)
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return NULL;
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for(a=v->area->next; a && !ispointinrect(pt->x, pt->y, &a->rect);
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a=a->next);
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if(a)
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for(f=a->frame; f && !ispointinrect(pt->x, pt->y, &f->rect);
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f=f->anext);
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return f;
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}
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static void
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drop_move(Frame *f, XRectangle *new, XPoint *pt) {
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Area *tgt, *src;
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Frame *ft;
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View *v;
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tgt = NULL;
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src = f->area;
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v = src->view;
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if(!pt)
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return;
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for(tgt=v->area->next; tgt && !ispointinrect(pt->x, pt->y, &tgt->rect);
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tgt=tgt->next);
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if(tgt) {
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if(pt->x < 16) {
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if((src->frame && src->frame->anext) || (src != v->area->next)) {
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tgt = new_column(v, v->area->next, 0);
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send_to_area(tgt, src, f);
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}
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}
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else if(pt->x >= screen->rect.width - 16) {
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if((src->frame && src->frame->anext) || src->next) {
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for(tgt=src; tgt->next; tgt=tgt->next);
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tgt = new_column(v, tgt, 0);
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send_to_area(tgt, src, f);
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}
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}
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else if(src != tgt) {
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Client *c = f->client;
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Bool before;
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if(!(ft = frame_of_point(pt)) || (f == ft))
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return;
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before = pt->y < (ft->rect.y + ft->rect.height / 2);
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send_to_area(tgt, src, f);
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f = c->sel;
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remove_frame(f);
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if(before)
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insert_frame(ft, f, True);
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else
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insert_frame(ft, f, False);
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tgt->sel = f;
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arrange_column(tgt, False);
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}
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else { /* !tgt */
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if(!(ft = frame_of_point(pt)) || (f == ft))
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return;
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remove_frame(f);
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if(pt->y < (ft->rect.y + ft->rect.height / 2))
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insert_frame(ft, f, True);
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else
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insert_frame(ft, f, False);
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tgt->sel = f;
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arrange_column(tgt, False);
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}
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}
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}
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void
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resize_column(Client *c, XRectangle *r, XPoint *pt) {
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Frame *f = c->sel;
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if((f->rect.width == r->width) && (f->rect.height == r->height))
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drop_move(f, r, pt);
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else
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drop_resize(f, r);
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}
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Area *
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new_column(View *v, Area *pos, unsigned int w) {
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Area *a = create_area(v, pos, w);
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if(!a)
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return NULL;
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arrange_view(v);
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return a;
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}
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