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Diffstat (limited to 'src/hyper/input.c')
| -rw-r--r-- | src/hyper/input.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/hyper/input.c b/src/hyper/input.c new file mode 100644 index 00000000..725b9ace --- /dev/null +++ b/src/hyper/input.c @@ -0,0 +1,238 @@ +/* + Copyright (C) 1991-2002, The Numerical Algorithms Group Ltd. + All rights reserved. + Copyright (C) 2007-2008, Gabriel Dos Reis. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of The Numerical Algorithms Group Ltd. nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#define _INPUT_C +#include "axiom-c-macros.h" +#include "useproto.h" +#include "debug.h" + +#include "hyper.h" + +#include "all_hyper_proto.H1" + + +void +fill_box(Window w,ImageStruct * image) +{ + XClearWindow(gXDisplay, w); + XPutImage(gXDisplay, w, gWindow->fControlGC, + image->image.xi, 0, 0, 0, 0, + image->width, + image->height); +} + +void +toggle_input_box(HyperLink *link) +{ + InputBox *box; + + box = link->reference.box; + + if (box->picked) { + box->picked = 0; + unpick_box(box); + } + else { + box->picked = 1; + pick_box(box); + } + +} +void +toggle_radio_box(HyperLink *link) +{ + InputBox *box; + + box = link->reference.box; + + if (box->picked) { + + /* + * box->picked = 0; unpick_box(box); + */ + } + else { + /* the first thing I do is clear his buddies */ + clear_rbs(box->rbs->boxes); + box->picked = 1; + pick_box(box); + } +} + +static void +clear_rbs(InputBox *list) +{ + InputBox *trace = list; + + while (trace && !trace->picked) + trace = trace->next; + + if (trace != NULL) { + trace->picked = 0; + unpick_box(trace); + } +} +void +change_input_focus(HyperLink *link) +{ + InputItem *new_item = link->reference.string; + InputItem *old_item = gWindow->page->current_item; + XWindowChanges wc; + + /** first thing I should do is see if the user has clicked in the same + window that I am in ****/ + if (old_item == new_item) + return; + + /** Now change the current pointer **/ + gWindow->page->current_item = new_item; + + /** Now I have to change the border width of the selected input window **/ + wc.border_width = 1; + XConfigureWindow(gXDisplay, new_item->win, + CWBorderWidth, + &wc); + + wc.border_width = 0; + XConfigureWindow(gXDisplay, new_item->win, + CWBorderWidth, + &wc); + update_inputsymbol(old_item); + update_inputsymbol(new_item); +} +void +next_input_focus(void) +{ + InputItem *old_item = gWindow->page->current_item, *new_item, *trace; + + if (gWindow->page->current_item == NULL || + (gWindow->page->current_item->next == NULL + && gWindow->page->current_item == gWindow->page->input_list)) { + BeepAtTheUser(); + return; + } + + /* + * Now I should find the new item + */ + new_item = NULL; + trace = old_item->next; + + if (trace == NULL) + new_item = gWindow->page->input_list; + else + new_item = trace; + + gWindow->page->current_item = new_item; + draw_inputsymbol(old_item); + draw_inputsymbol(new_item); +} +void +prev_input_focus(void) +{ + InputItem *old_item = gWindow->page->current_item, *new_item, *trace; + + if (gWindow->page->current_item == NULL) { + BeepAtTheUser(); + return; + } + + /* + * Now I should find the new item + */ + new_item = NULL; + trace = gWindow->page->input_list; + + if (trace == old_item) { + + /* + * I started at the front of the list, so move forward until I hit + * the end + */ + while (trace->next != NULL) + trace = trace->next; + new_item = trace; + } + else { + while (trace->next != old_item) + trace = trace->next; + new_item = trace; + } + + gWindow->page->current_item = new_item; + draw_inputsymbol(old_item); + draw_inputsymbol(new_item); + +} + +InputItem * +return_item(char *name) +{ + InputItem *list; + + list = gWindow->page->input_list; + while (list != NULL) { + if (!strcmp(name, list->name)) + return list; + list = list->next; + } + return NULL; +} +int +delete_item(char *name) +{ + InputItem *list; + InputItem *prev = NULL; + + list = gWindow->page->input_list; + while (list != NULL) { + if (!strcmp(name, list->name)) { + if (prev) + prev->next = list->next; + else + gWindow->page->input_list = list->next; + if (gWindow->page->current_item == list) + gWindow->page->current_item = gWindow->page->input_list; + free_input_item(list, 1); + free(list); + return 1; + } + prev = list; + list = list->next; + } + fprintf(stderr, "Can't delete input item %s\n", name); + return 0; +} + |